252616365 has 24 divisors (see below), whose sum is σ = 451995648. Its totient is φ = 130381920.

The previous prime is 252616363. The next prime is 252616369. The reversal of 252616365 is 563616252.

It is a happy number.

252616365 is a `hidden beast` number, since 2 + 5 + 2 + 616 + 36 + 5 = 666.

It is not a de Polignac number, because 252616365 - 2¹ = 252616363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252616363) 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 23 ways as a sum of consecutive naturals, for example, 89149 + ... + 91938.

It is an arithmetic number, because the mean of its divisors is an integer number (18833152).

Almost surely, 2^252616365 is an apocalyptic number.

It is an amenable number.

252616365 is a deficient number, since it is larger than the sum of its proper divisors (199379283).

252616365 is a wasteful number, since it uses less digits than its factorization.

252616365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181129 (or 181126 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 252616365 is about 15893.9096826426. The cubic root of 252616365 is about 632.1505117745.

It can be divided in two parts, 25261 and 6365, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 252616365 in words is "two hundred fifty-two million, six hundred sixteen thousand, three hundred sixty-five".