252088747 has 4 divisors (see below), whose sum is σ = 257951320. Its totient is φ = 246226176.

The previous prime is 252088643. The next prime is 252088757. The reversal of 252088747 is 747880252.

252088747 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.

It is a cyclic number.

It is not a de Polignac number, because 252088747 - 2²³ = 243700139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 5862529 = 252088747 / (2 + 5 + 2 + 0 + 8 + 8 + 7 + 4 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252088757) 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, 2931222 + ... + 2931307.

It is an arithmetic number, because the mean of its divisors is an integer number (64487830).

Almost surely, 2^252088747 is an apocalyptic number.

252088747 is a deficient number, since it is larger than the sum of its proper divisors (5862573).

252088747 is an equidigital number, since it uses as much as digits as its factorization.

252088747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862572.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 252088747 is about 15877.3028880852. The cubic root of 252088747 is about 631.7100989421.

The spelling of 252088747 in words is "two hundred fifty-two million, eighty-eight thousand, seven hundred forty-seven".