252031901 has 16 divisors (see below), whose sum is σ = 288961728. Its totient is φ = 217728000.

The previous prime is 252031889. The next prime is 252031909. The reversal of 252031901 is 109130252.

It is a cyclic number.

It is not a de Polignac number, because 252031901 - 2¹⁸ = 251769757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252031909) 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, 10301 + ... + 24701.

It is an arithmetic number, because the mean of its divisors is an integer number (18060108).

Almost surely, 2^252031901 is an apocalyptic number.

It is an amenable number.

252031901 is a deficient number, since it is larger than the sum of its proper divisors (36929827).

252031901 is a wasteful number, since it uses less digits than its factorization.

252031901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14492.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 252031901 is about 15875.5126216447. The cubic root of 252031901 is about 631.6626118404.

The spelling of 252031901 in words is "two hundred fifty-two million, thirty-one thousand, nine hundred one".