252994985 has 8 divisors (see below), whose sum is σ = 314062920. Its totient is φ = 195416704.

The previous prime is 252994967. The next prime is 252994991. The reversal of 252994985 is 589499252.

252994985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 58782889 + 194212096 = 7667^2 + 13936^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252994985 - 2⁶ = 252994921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872252 + ... + 872541.

It is an arithmetic number, because the mean of its divisors is an integer number (39257865).

Almost surely, 2^252994985 is an apocalyptic number.

It is an amenable number.

252994985 is a deficient number, since it is larger than the sum of its proper divisors (61067935).

252994985 is a wasteful number, since it uses less digits than its factorization.

252994985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744827.

The product of its digits is 2332800, while the sum is 53.

The square root of 252994985 is about 15905.8160746313. The cubic root of 252994985 is about 632.4661753433.

The spelling of 252994985 in words is "two hundred fifty-two million, nine hundred ninety-four thousand, nine hundred eighty-five".