252157751252 has 24 divisors (see below), whose sum is σ = 481548170880. Its totient is φ = 114579992960.

The previous prime is 252157751231. The next prime is 252157751257.

252157751252 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×252157751252³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252157751257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791708 + ... + 1063539.

It is an arithmetic number, because the mean of its divisors is an integer number (20064507120).

Almost surely, 2^252157751252 is an apocalyptic number.

252157751252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252157751252 is a deficient number, since it is larger than the sum of its proper divisors (229390419628).

252157751252 is a wasteful number, since it uses less digits than its factorization.

252157751252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858351 (or 1858349 counting only the distinct ones).

The product of its digits is 490000, while the sum is 44.

The spelling of 252157751252 in words is "two hundred fifty-two billion, one hundred fifty-seven million, seven hundred fifty-one thousand, two hundred fifty-two".