252881385 has 16 divisors (see below), whose sum is σ = 413220096. Its totient is φ = 132000128.

The previous prime is 252881371. The next prime is 252881401. The reversal of 252881385 is 583188252.

It is a cyclic number.

It is not a de Polignac number, because 252881385 - 2¹³ = 252873193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178644 + ... + 180053.

It is an arithmetic number, because the mean of its divisors is an integer number (25826256).

Almost surely, 2^252881385 is an apocalyptic number.

It is an amenable number.

252881385 is a deficient number, since it is larger than the sum of its proper divisors (160338711).

252881385 is a wasteful number, since it uses less digits than its factorization.

252881385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358752.

The product of its digits is 153600, while the sum is 42.

The square root of 252881385 is about 15902.2446528784. The cubic root of 252881385 is about 632.3714976906.

The spelling of 252881385 in words is "two hundred fifty-two million, eight hundred eighty-one thousand, three hundred eighty-five".