400562625 has 32 divisors (see below), whose sum is σ = 688057344. Its totient is φ = 206736000.

The previous prime is 400562609. The next prime is 400562633. The reversal of 400562625 is 526265004.

It is not a de Polignac number, because 400562625 - 2⁴ = 400562609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 400562592 and 400562601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5604 + ... + 28853.

It is an arithmetic number, because the mean of its divisors is an integer number (21501792).

Almost surely, 2^400562625 is an apocalyptic number.

It is an amenable number.

400562625 is a deficient number, since it is larger than the sum of its proper divisors (287494719).

400562625 is a wasteful number, since it uses less digits than its factorization.

400562625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34506 (or 34496 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 400562625 is about 20014.0606824302. The cubic root of 400562625 is about 737.1515925903.

The spelling of 400562625 in words is "four hundred million, five hundred sixty-two thousand, six hundred twenty-five".