402236625 has 64 divisors (see below), whose sum is σ = 789774336. Its totient is φ = 177912000.

The previous prime is 402236617. The next prime is 402236633. The reversal of 402236625 is 526632204.

It is an interprime number because it is at equal distance from previous prime (402236617) and next prime (402236633).

It is not a de Polignac number, because 402236625 - 2³ = 402236617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402236592 and 402236601.

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 63 ways as a sum of consecutive naturals, for example, 78904 + ... + 83846.

It is an arithmetic number, because the mean of its divisors is an integer number (12340224).

Almost surely, 2^402236625 is an apocalyptic number.

It is an amenable number.

402236625 is a deficient number, since it is larger than the sum of its proper divisors (387537711).

402236625 is a wasteful number, since it uses less digits than its factorization.

402236625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999 (or 4989 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 402236625 is about 20055.8376788405. The cubic root of 402236625 is about 738.1770475116.

Adding to 402236625 its reverse (526632204), we get a palindrome (928868829).

The spelling of 402236625 in words is "four hundred two million, two hundred thirty-six thousand, six hundred twenty-five".