361409252 has 12 divisors (see below), whose sum is σ = 654275580. Its totient is φ = 174473376.

The previous prime is 361409231. The next prime is 361409263. The reversal of 361409252 is 252904163.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 269747776 + 91661476 = 16424^2 + 9574^2 .

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, 1557683 + ... + 1557914.

It is an arithmetic number, because the mean of its divisors is an integer number (54522965).

Almost surely, 2^361409252 is an apocalyptic number.

It is an amenable number.

361409252 is a deficient number, since it is larger than the sum of its proper divisors (292866328).

361409252 is a wasteful number, since it uses less digits than its factorization.

361409252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115630 (or 3115628 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 361409252 is about 19010.7667388772. The cubic root of 361409252 is about 712.3057039514.

The spelling of 361409252 in words is "three hundred sixty-one million, four hundred nine thousand, two hundred fifty-two".