252550385 has 16 divisors (see below), whose sum is σ = 326332800. Its totient is φ = 186928896.

The previous prime is 252550307. The next prime is 252550391. The reversal of 252550385 is 583055252.

It is a cyclic number.

It is not a de Polignac number, because 252550385 - 2¹² = 252546289 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, 20165 + ... + 30194.

It is an arithmetic number, because the mean of its divisors is an integer number (20395800).

Almost surely, 2^252550385 is an apocalyptic number.

It is an amenable number.

252550385 is a deficient number, since it is larger than the sum of its proper divisors (73782415).

252550385 is a wasteful number, since it uses less digits than its factorization.

252550385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50440.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 252550385 is about 15891.8339092755. The cubic root of 252550385 is about 632.0954705758.

The spelling of 252550385 in words is "two hundred fifty-two million, five hundred fifty thousand, three hundred eighty-five".