371140225 has 9 divisors (see below), whose sum is σ = 460333353. Its totient is φ = 296835120.

The previous prime is 371140219. The next prime is 371140271. The reversal of 371140225 is 522041173.

It is a happy number.

The square root of 371140225 is 19265.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 100340289 + 270799936 = 10017^2 + 16456^2 .

It is not a de Polignac number, because 371140225 - 2⁵ = 371140193 is a prime.

It is a super-2 number, since 2×371140225² = 275490133226101250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 371140225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 94399 + ... + 98251.

Almost surely, 2^371140225 is an apocalyptic number.

371140225 is the 19265-th square number.

371140225 is the 9633-rd centered octagonal number.

It is an amenable number.

371140225 is a deficient number, since it is larger than the sum of its proper divisors (89193128).

371140225 is an frugal number, since it uses more digits than its factorization.

371140225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The cubic root of 371140225 is about 718.6421327728.

Multiplying 371140225 by its sum of digits (25), we get a square (9278505625 = 96325²).

371140225 divided by its sum of digits (25) gives a square (14845609 = 3853²).

Adding to 371140225 its reverse (522041173), we get a palindrome (893181398).

The spelling of 371140225 in words is "three hundred seventy-one million, one hundred forty thousand, two hundred twenty-five".