252307501 has 4 divisors (see below), whose sum is σ = 252973600. Its totient is φ = 251641404.

The previous prime is 252307499. The next prime is 252307567. The reversal of 252307501 is 105703252.

252307501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252307501 - 2¹ = 252307499 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 (252307901) 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, 332481 + ... + 333238.

It is an arithmetic number, because the mean of its divisors is an integer number (63243400).

Almost surely, 2^252307501 is an apocalyptic number.

It is an amenable number.

252307501 is a deficient number, since it is larger than the sum of its proper divisors (666099).

252307501 is an equidigital number, since it uses as much as digits as its factorization.

252307501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666098.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 252307501 is about 15884.1902846824. The cubic root of 252307501 is about 631.8927715921.

The spelling of 252307501 in words is "two hundred fifty-two million, three hundred seven thousand, five hundred one".