290275 has 12 divisors (see below), whose sum is σ = 381672. Its totient is φ = 218240.

The previous prime is 290249. The next prime is 290317. The reversal of 290275 is 572092.

It is not a de Polignac number, because 290275 - 2⁵ = 290243 is a prime.

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

It is a Duffinian number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84 + ... + 766.

It is an arithmetic number, because the mean of its divisors is an integer number (31806).

2²⁹⁰²⁷⁵ is an apocalyptic number.

290275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

290275 is a deficient number, since it is larger than the sum of its proper divisors (91397).

290275 is a wasteful number, since it uses less digits than its factorization.

290275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 290275 is about 538.7717513010. The cubic root of 290275 is about 66.2119753317.

290275 divided by its sum of digits (25) gives a palindrome (11611).

It can be divided in two parts, 290 and 275, that added together give a palindrome (565).

The spelling of 290275 in words is "two hundred ninety thousand, two hundred seventy-five".