252644135 has 16 divisors (see below), whose sum is σ = 311018400. Its totient is φ = 196909440.

The previous prime is 252644131. The next prime is 252644137. The reversal of 252644135 is 531446252.

It is not a de Polignac number, because 252644135 - 2² = 252644131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252644131) 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, 97841 + ... + 100389.

It is an arithmetic number, because the mean of its divisors is an integer number (19438650).

Almost surely, 2^252644135 is an apocalyptic number.

252644135 is a deficient number, since it is larger than the sum of its proper divisors (58374265).

252644135 is a wasteful number, since it uses less digits than its factorization.

252644135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058.

The product of its digits is 28800, while the sum is 32.

The square root of 252644135 is about 15894.7832637001. The cubic root of 252644135 is about 632.1736749300.

The spelling of 252644135 in words is "two hundred fifty-two million, six hundred forty-four thousand, one hundred thirty-five".