402650025 has 24 divisors (see below), whose sum is σ = 667665600. Its totient is φ = 214117440.

The previous prime is 402650023. The next prime is 402650051. The reversal of 402650025 is 520056204.

402650025 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 402650025 - 2¹ = 402650023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402649977 and 402650004.

It is not an unprimeable number, because it can be changed into a prime (402650023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18484 + ... + 33866.

It is an arithmetic number, because the mean of its divisors is an integer number (27819400).

Almost surely, 2^402650025 is an apocalyptic number.

It is an amenable number.

402650025 is a deficient number, since it is larger than the sum of its proper divisors (265015575).

402650025 is a wasteful number, since it uses less digits than its factorization.

402650025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15745 (or 15740 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 402650025 is about 20066.1412583486. The cubic root of 402650025 is about 738.4298488797.

The spelling of 402650025 in words is "four hundred two million, six hundred fifty thousand, twenty-five".