252775277501 has 4 divisors (see below), whose sum is σ = 254704859904. Its totient is φ = 250845695100.

The previous prime is 252775277413. The next prime is 252775277519. The reversal of 252775277501 is 105772577252.

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 252775277501 - 2³⁰ = 251701535677 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 252775277501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252775277551) 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, 964791005 + ... + 964791266.

It is an arithmetic number, because the mean of its divisors is an integer number (63676214976).

Almost surely, 2^252775277501 is an apocalyptic number.

It is an amenable number.

252775277501 is a deficient number, since it is larger than the sum of its proper divisors (1929582403).

252775277501 is a wasteful number, since it uses less digits than its factorization.

252775277501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929582402.

The product of its (nonzero) digits is 2401000, while the sum is 50.

The spelling of 252775277501 in words is "two hundred fifty-two billion, seven hundred seventy-five million, two hundred seventy-seven thousand, five hundred one".