252177394 has 8 divisors (see below), whose sum is σ = 432304128. Its totient is φ = 108076020.

The previous prime is 252177361. The next prime is 252177397. The reversal of 252177394 is 493771252.

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 (252177397) 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, 9006322 + ... + 9006349.

It is an arithmetic number, because the mean of its divisors is an integer number (54038016).

Almost surely, 2^252177394 is an apocalyptic number.

252177394 is a deficient number, since it is larger than the sum of its proper divisors (180126734).

252177394 is a wasteful number, since it uses less digits than its factorization.

252177394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18012680.

The product of its digits is 105840, while the sum is 40.

The square root of 252177394 is about 15880.0942692416. The cubic root of 252177394 is about 631.7841372098.

The spelling of 252177394 in words is "two hundred fifty-two million, one hundred seventy-seven thousand, three hundred ninety-four".