402563365 has 16 divisors (see below), whose sum is σ = 520344576. Its totient is φ = 298108800.

The previous prime is 402563333. The next prime is 402563407. The reversal of 402563365 is 563365204.

It is not a de Polignac number, because 402563365 - 2⁵ = 402563333 is a prime.

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 402563365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52896 + ... + 60025.

It is an arithmetic number, because the mean of its divisors is an integer number (32521536).

Almost surely, 2^402563365 is an apocalyptic number.

It is an amenable number.

402563365 is a deficient number, since it is larger than the sum of its proper divisors (117781211).

402563365 is a wasteful number, since it uses less digits than its factorization.

402563365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112980.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 402563365 is about 20063.9817832852. The cubic root of 402563365 is about 738.3768691055.

The spelling of 402563365 in words is "four hundred two million, five hundred sixty-three thousand, three hundred sixty-five".