402285425 has 12 divisors (see below), whose sum is σ = 510436080. Its totient is φ = 314343120.

The previous prime is 402285413. The next prime is 402285427. The reversal of 402285425 is 524582204.

It is not a de Polignac number, because 402285425 - 2⁴ = 402285409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402285391 and 402285400.

It is not an unprimeable number, because it can be changed into a prime (402285427) 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, 186035 + ... + 188184.

It is an arithmetic number, because the mean of its divisors is an integer number (42536340).

Almost surely, 2^402285425 is an apocalyptic number.

It is an amenable number.

402285425 is a deficient number, since it is larger than the sum of its proper divisors (108150655).

402285425 is a wasteful number, since it uses less digits than its factorization.

402285425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374272 (or 374267 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 402285425 is about 20057.0542453273. The cubic root of 402285425 is about 738.2068985835.

The spelling of 402285425 in words is "four hundred two million, two hundred eighty-five thousand, four hundred twenty-five".