252500252501 has 4 divisors (see below), whose sum is σ = 288571717152. Its totient is φ = 216428787852.

The previous prime is 252500252467. The next prime is 252500252503. The reversal of 252500252501 is 105252005252.

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 252500252501 - 2⁶ = 252500252437 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 (252500252503) 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, 18035732315 + ... + 18035732328.

It is an arithmetic number, because the mean of its divisors is an integer number (72142929288).

Almost surely, 2^252500252501 is an apocalyptic number.

It is an amenable number.

252500252501 is a deficient number, since it is larger than the sum of its proper divisors (36071464651).

252500252501 is an equidigital number, since it uses as much as digits as its factorization.

252500252501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36071464650.

The product of its (nonzero) digits is 10000, while the sum is 29.

Adding to 252500252501 its reverse (105252005252), we get a palindrome (357752257753).

The spelling of 252500252501 in words is "two hundred fifty-two billion, five hundred million, two hundred fifty-two thousand, five hundred one".