401525204 has 24 divisors (see below), whose sum is σ = 711184320. Its totient is φ = 198340416.

The previous prime is 401525143. The next prime is 401525207. The reversal of 401525204 is 402525104.

It is a happy number.

It is a super-2 number, since 2×401525204² = 322444978894483232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401525204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401525207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186824 + ... + 188960.

It is an arithmetic number, because the mean of its divisors is an integer number (29632680).

Almost surely, 2^401525204 is an apocalyptic number.

It is an amenable number.

401525204 is a deficient number, since it is larger than the sum of its proper divisors (309659116).

401525204 is a wasteful number, since it uses less digits than its factorization.

401525204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687 (or 2685 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 401525204 is about 20038.0938215191. The cubic root of 401525204 is about 737.7415952327.

The spelling of 401525204 in words is "four hundred one million, five hundred twenty-five thousand, two hundred four".