252177393 has 16 divisors (see below), whose sum is σ = 362793536. Its totient is φ = 154889280.

The previous prime is 252177361. The next prime is 252177397. The reversal of 252177393 is 393771252.

It is not a de Polignac number, because 252177393 - 2⁵ = 252177361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 15423 + ... + 27243.

It is an arithmetic number, because the mean of its divisors is an integer number (22674596).

Almost surely, 2^252177393 is an apocalyptic number.

It is an amenable number.

252177393 is a deficient number, since it is larger than the sum of its proper divisors (110616143).

252177393 is a wasteful number, since it uses less digits than its factorization.

252177393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12384.

The product of its digits is 79380, while the sum is 39.

The square root of 252177393 is about 15880.0942377556. The cubic root of 252177393 is about 631.7841363747.

The spelling of 252177393 in words is "two hundred fifty-two million, one hundred seventy-seven thousand, three hundred ninety-three".