252772071 has 4 divisors (see below), whose sum is σ = 337029432. Its totient is φ = 168514712.

The previous prime is 252772057. The next prime is 252772081. The reversal of 252772071 is 170277252.

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 252772071 - 2¹³ = 252763879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252772021) 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, 42128676 + ... + 42128681.

It is an arithmetic number, because the mean of its divisors is an integer number (84257358).

Almost surely, 2^252772071 is an apocalyptic number.

252772071 is a deficient number, since it is larger than the sum of its proper divisors (84257361).

252772071 is an equidigital number, since it uses as much as digits as its factorization.

252772071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84257360.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 252772071 is about 15898.8072194111. The cubic root of 252772071 is about 632.2803653456.

The spelling of 252772071 in words is "two hundred fifty-two million, seven hundred seventy-two thousand, seventy-one".