401525402 has 8 divisors (see below), whose sum is σ = 602478912. Its totient is φ = 200699100.

The previous prime is 401525401. The next prime is 401525413. The reversal of 401525402 is 204525104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×401525402² = 322445296902523208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401525401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23474 + ... + 36797.

It is an arithmetic number, because the mean of its divisors is an integer number (75309864).

Almost surely, 2^401525402 is an apocalyptic number.

401525402 is a deficient number, since it is larger than the sum of its proper divisors (200953510).

401525402 is a wasteful number, since it uses less digits than its factorization.

401525402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63604.

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

The square root of 401525402 is about 20038.0987621081. The cubic root of 401525402 is about 737.7417164977.

It can be divided in two parts, 40152 and 5402, that added together give a palindrome (45554).

The spelling of 401525402 in words is "four hundred one million, five hundred twenty-five thousand, four hundred two".