252398330 has 8 divisors (see below), whose sum is σ = 454317012. Its totient is φ = 100959328.

The previous prime is 252398327. The next prime is 252398351. The reversal of 252398330 is 33893252.

It can be written as a sum of positive squares in 2 ways, for example, as 242393761 + 10004569 = 15569^2 + 3163^2 .

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

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, 12619907 + ... + 12619926.

Almost surely, 2^252398330 is an apocalyptic number.

252398330 is a deficient number, since it is larger than the sum of its proper divisors (201918682).

252398330 is a wasteful number, since it uses less digits than its factorization.

252398330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25239840.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 252398330 is about 15887.0491281421. The cubic root of 252398330 is about 631.9685882081.

The spelling of 252398330 in words is "two hundred fifty-two million, three hundred ninety-eight thousand, three hundred thirty".