402610025 has 12 divisors (see below), whose sum is σ = 502832400. Its totient is φ = 319768080.

The previous prime is 402610003. The next prime is 402610027. The reversal of 402610025 is 520016204.

It is a happy number.

It is not a de Polignac number, because 402610025 - 2²⁸ = 134174569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402609979 and 402610006.

It is not an unprimeable number, because it can be changed into a prime (402610027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54455 + ... + 61404.

It is an arithmetic number, because the mean of its divisors is an integer number (41902700).

Almost surely, 2^402610025 is an apocalyptic number.

It is an amenable number.

402610025 is a deficient number, since it is larger than the sum of its proper divisors (100222375).

402610025 is a wasteful number, since it uses less digits than its factorization.

402610025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116008 (or 116003 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 402610025 is about 20065.1445297561. The cubic root of 402610025 is about 738.4053957398.

Adding to 402610025 its reverse (520016204), we get a palindrome (922626229).

The spelling of 402610025 in words is "four hundred two million, six hundred ten thousand, twenty-five".