540061225 has 48 divisors (see below), whose sum is σ = 788074560. Its totient is φ = 362880000.

The previous prime is 540061157. The next prime is 540061231. The reversal of 540061225 is 522160045.

It is not a de Polignac number, because 540061225 - 2¹⁵ = 540028457 is a prime.

It is a super-2 number, since 2×540061225² = 583332253497001250, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 540061225.

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 47 ways as a sum of consecutive naturals, for example, 212965 + ... + 215485.

It is an arithmetic number, because the mean of its divisors is an integer number (16418220).

Almost surely, 2^540061225 is an apocalyptic number.

540061225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

540061225 is a deficient number, since it is larger than the sum of its proper divisors (248013335).

540061225 is a wasteful number, since it uses less digits than its factorization.

540061225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602 (or 2597 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 540061225 is about 23239.2173921585. The cubic root of 540061225 is about 814.3560597818.

The spelling of 540061225 in words is "five hundred forty million, sixty-one thousand, two hundred twenty-five".