252819357 has 16 divisors (see below), whose sum is σ = 387617280. Its totient is φ = 143579952.

The previous prime is 252819313. The next prime is 252819373. The reversal of 252819357 is 753918252.

It is a happy number.

It is not a de Polignac number, because 252819357 - 2¹⁴ = 252802973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252819397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33507 + ... + 40352.

It is an arithmetic number, because the mean of its divisors is an integer number (24226080).

Almost surely, 2^252819357 is an apocalyptic number.

It is an amenable number.

252819357 is a deficient number, since it is larger than the sum of its proper divisors (134797923).

252819357 is a wasteful number, since it uses less digits than its factorization.

252819357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74032.

The product of its digits is 151200, while the sum is 42.

The square root of 252819357 is about 15900.2942425604. The cubic root of 252819357 is about 632.3197897238.

The spelling of 252819357 in words is "two hundred fifty-two million, eight hundred nineteen thousand, three hundred fifty-seven".