252767109 has 16 divisors (see below), whose sum is σ = 385748480. Its totient is φ = 144221040.

The previous prime is 252767107. The next prime is 252767131. The reversal of 252767109 is 901767252.

252767109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252767109 - 2¹ = 252767107 is a prime.

It is a super-2 number, since 2×252767109² = 127782422784435762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252767107) 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, 5802 + ... + 23220.

It is an arithmetic number, because the mean of its divisors is an integer number (24109280).

Almost surely, 2^252767109 is an apocalyptic number.

It is an amenable number.

252767109 is a deficient number, since it is larger than the sum of its proper divisors (132981371).

252767109 is a wasteful number, since it uses less digits than its factorization.

252767109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18120.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 252767109 is about 15898.6511692030. The cubic root of 252767109 is about 632.2762280271.

It can be divided in two parts, 25276 and 7109, that added together give a triangular number (32385 = T₂₅₄).

The spelling of 252767109 in words is "two hundred fifty-two million, seven hundred sixty-seven thousand, one hundred nine".