252768151 has 4 divisors (see below), whose sum is σ = 254613312. Its totient is φ = 250922992.

The previous prime is 252768149. The next prime is 252768169. The reversal of 252768151 is 151867252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252768151 - 2¹ = 252768149 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 252768151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252768101) 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 3 ways as a sum of consecutive naturals, for example, 922375 + ... + 922648.

It is an arithmetic number, because the mean of its divisors is an integer number (63653328).

Almost surely, 2^252768151 is an apocalyptic number.

252768151 is a deficient number, since it is larger than the sum of its proper divisors (1845161).

252768151 is a wasteful number, since it uses less digits than its factorization.

252768151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845160.

The product of its digits is 33600, while the sum is 37.

The square root of 252768151 is about 15898.6839392448. The cubic root of 252768151 is about 632.2770968518.

The spelling of 252768151 in words is "two hundred fifty-two million, seven hundred sixty-eight thousand, one hundred fifty-one".