252149783 has 16 divisors (see below), whose sum is σ = 268923264. Its totient is φ = 236079360.

The previous prime is 252149773. The next prime is 252149791. The reversal of 252149783 is 387941252.

It is a cyclic number.

It is not a de Polignac number, because 252149783 - 2¹⁰ = 252148759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252149783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252149773) 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, 104891 + ... + 107267.

It is an arithmetic number, because the mean of its divisors is an integer number (16807704).

Almost surely, 2^252149783 is an apocalyptic number.

252149783 is a deficient number, since it is larger than the sum of its proper divisors (16773481).

252149783 is a wasteful number, since it uses less digits than its factorization.

252149783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522.

The product of its digits is 120960, while the sum is 41.

The square root of 252149783 is about 15879.2248866247. The cubic root of 252149783 is about 631.7610782720.

The spelling of 252149783 in words is "two hundred fifty-two million, one hundred forty-nine thousand, seven hundred eighty-three".