275402 has 8 divisors (see below), whose sum is σ = 431136. Its totient is φ = 131692.

The previous prime is 275399. The next prime is 275419. The reversal of 275402 is 204572.

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2948 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (53892).

2²⁷⁵⁴⁰² is an apocalyptic number.

275402 is a deficient number, since it is larger than the sum of its proper divisors (155734).

275402 is a wasteful number, since it uses less digits than its factorization.

275402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 275402 is about 524.7875760725. The cubic root of 275402 is about 65.0612440519.

Adding to 275402 its reverse (204572), we get a palindrome (479974).

The spelling of 275402 in words is "two hundred seventy-five thousand, four hundred two".