252508501 has 4 divisors (see below), whose sum is σ = 288581152. Its totient is φ = 216435852.

The previous prime is 252508469. The next prime is 252508507. The reversal of 252508501 is 105805252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252508501 - 2⁵ = 252508469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252508501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252508507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18036315 + ... + 18036328.

It is an arithmetic number, because the mean of its divisors is an integer number (72145288).

Almost surely, 2^252508501 is an apocalyptic number.

It is an amenable number.

252508501 is a deficient number, since it is larger than the sum of its proper divisors (36072651).

252508501 is an equidigital number, since it uses as much as digits as its factorization.

252508501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36072650.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 252508501 is about 15890.5160709148. The cubic root of 252508501 is about 632.0605255352.

It can be divided in two parts, 252508 and 501, that added together give a square (253009 = 503²).

The spelling of 252508501 in words is "two hundred fifty-two million, five hundred eight thousand, five hundred one".