402475 has 12 divisors (see below), whose sum is σ = 528984. Its totient is φ = 302720.

The previous prime is 402443. The next prime is 402487. The reversal of 402475 is 574204.

It is not a de Polignac number, because 402475 - 2⁵ = 402443 is a prime.

It is a super-2 number, since 2×402475² = 323972251250, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49 + ... + 898.

It is an arithmetic number, because the mean of its divisors is an integer number (44082).

2⁴⁰²⁴⁷⁵ is an apocalyptic number.

402475 is a deficient number, since it is larger than the sum of its proper divisors (126509).

402475 is a wasteful number, since it uses less digits than its factorization.

402475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 402475 is about 634.4091739564. The cubic root of 402475 is about 73.8322839146.

Adding to 402475 its reverse (574204), we get a palindrome (976679).

The spelling of 402475 in words is "four hundred two thousand, four hundred seventy-five".