3561365256 has 16 divisors (see below), whose sum is σ = 8903413200. Its totient is φ = 1187121744.

The previous prime is 3561365251. The next prime is 3561365261. The reversal of 3561365256 is 6525631653.

It is an interprime number because it is at equal distance from previous prime (3561365251) and next prime (3561365261).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3561365251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 74195086 + ... + 74195133.

It is an arithmetic number, because the mean of its divisors is an integer number (556463325).

Almost surely, 2^3561365256 is an apocalyptic number.

It is an amenable number.

3561365256 is an abundant number, since it is smaller than the sum of its proper divisors (5342047944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3561365256 is a wasteful number, since it uses less digits than its factorization.

3561365256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148390228 (or 148390224 counting only the distinct ones).

The product of its digits is 486000, while the sum is 42.

The square root of 3561365256 is about 59677.1753352988. The cubic root of 3561365256 is about 1527.1165102252.

The spelling of 3561365256 in words is "three billion, five hundred sixty-one million, three hundred sixty-five thousand, two hundred fifty-six".