252126701 has 6 divisors (see below), whose sum is σ = 254473002. Its totient is φ = 249801840.

The previous prime is 252126653. The next prime is 252126703. The reversal of 252126701 is 107621252.

It can be written as a sum of positive squares in 3 ways, for example, as 152646025 + 99480676 = 12355^2 + 9974^2 .

It is not a de Polignac number, because 252126701 - 2²⁶ = 185017837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252126703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1271 + ... + 22491.

It is an arithmetic number, because the mean of its divisors is an integer number (42412167).

Almost surely, 2^252126701 is an apocalyptic number.

It is an amenable number.

252126701 is a deficient number, since it is larger than the sum of its proper divisors (2346301).

252126701 is an equidigital number, since it uses as much as digits as its factorization.

252126701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21439 (or 21330 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 252126701 is about 15878.4980712913. The cubic root of 252126701 is about 631.7418003729.

Adding to 252126701 its reverse (107621252), we get a palindrome (359747953).

It can be divided in two parts, 25212 and 6701, that added together give a palindrome (31913).

The spelling of 252126701 in words is "two hundred fifty-two million, one hundred twenty-six thousand, seven hundred one".