252176290 has 8 divisors (see below), whose sum is σ = 453917340. Its totient is φ = 100870512.

The previous prime is 252176273. The next prime is 252176297. The reversal of 252176290 is 92671252.

It can be written as a sum of positive squares in 2 ways, for example, as 211382521 + 40793769 = 14539^2 + 6387^2 .

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

It is not an unprimeable number, because it can be changed into a prime (252176297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12608805 + ... + 12608824.

Almost surely, 2^252176290 is an apocalyptic number.

252176290 is a deficient number, since it is larger than the sum of its proper divisors (201741050).

252176290 is a wasteful number, since it uses less digits than its factorization.

252176290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25217636.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 252176290 is about 15880.0595087046. The cubic root of 252176290 is about 631.7832152520.

The spelling of 252176290 in words is "two hundred fifty-two million, one hundred seventy-six thousand, two hundred ninety".