402562 has 4 divisors (see below), whose sum is σ = 603846. Its totient is φ = 201280.

The previous prime is 402559. The next prime is 402581. The reversal of 402562 is 265204.

402562 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 373321 + 29241 = 611^2 + 171^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100639 + ... + 100642.

2⁴⁰²⁵⁶² is an apocalyptic number.

402562 is a deficient number, since it is larger than the sum of its proper divisors (201284).

402562 is a wasteful number, since it uses less digits than its factorization.

402562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201283.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 402562 is about 634.4777379861. The cubic root of 402562 is about 73.8376034549.

Adding to 402562 its reverse (265204), we get a palindrome (667766).

The spelling of 402562 in words is "four hundred two thousand, five hundred sixty-two".