402253565 has 16 divisors (see below), whose sum is σ = 554286720. Its totient is φ = 274518720.

The previous prime is 402253549. The next prime is 402253571. The reversal of 402253565 is 565352204.

It is not a de Polignac number, because 402253565 - 2⁴ = 402253549 is a prime.

It is a super-3 number, since 3×402253565³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19850 + ... + 34619.

It is an arithmetic number, because the mean of its divisors is an integer number (34642920).

Almost surely, 2^402253565 is an apocalyptic number.

It is an amenable number.

402253565 is a deficient number, since it is larger than the sum of its proper divisors (152033155).

402253565 is a wasteful number, since it uses less digits than its factorization.

402253565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54692.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 402253565 is about 20056.2599953232. The cubic root of 402253565 is about 738.1874100221.

The spelling of 402253565 in words is "four hundred two million, two hundred fifty-three thousand, five hundred sixty-five".