252535665 has 16 divisors (see below), whose sum is σ = 404712576. Its totient is φ = 134467200.

The previous prime is 252535651. The next prime is 252535667. The reversal of 252535665 is 566535252.

It is not a de Polignac number, because 252535665 - 2⁶ = 252535601 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252535667) 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, 3876 + ... + 22805.

It is an arithmetic number, because the mean of its divisors is an integer number (25294536).

Almost surely, 2^252535665 is an apocalyptic number.

It is an amenable number.

252535665 is a deficient number, since it is larger than the sum of its proper divisors (152176911).

252535665 is a wasteful number, since it uses less digits than its factorization.

252535665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27320.

The product of its digits is 270000, while the sum is 39.

The square root of 252535665 is about 15891.3707715854. The cubic root of 252535665 is about 632.0831896916.

The spelling of 252535665 in words is "two hundred fifty-two million, five hundred thirty-five thousand, six hundred sixty-five".