361530252 has 72 divisors (see below), whose sum is σ = 972062000. Its totient is φ = 112969728.

The previous prime is 361530241. The next prime is 361530287. The reversal of 361530252 is 252035163.

361530252 is a `hidden beast` number, since 361 + 53 + 0 + 252 = 666.

It is a super-2 number, since 2×361530252² = 261408246222367008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63624 + ... + 69072.

Almost surely, 2^361530252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361530252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486031000).

361530252 is an abundant number, since it is smaller than the sum of its proper divisors (610531748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

361530252 is a wasteful number, since it uses less digits than its factorization.

361530252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575 (or 5570 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 361530252 is about 19013.9488797041. The cubic root of 361530252 is about 712.3851885179.

The spelling of 361530252 in words is "three hundred sixty-one million, five hundred thirty thousand, two hundred fifty-two".