252072557 has 8 divisors (see below), whose sum is σ = 279496992. Its totient is φ = 225399600.

The previous prime is 252072529. The next prime is 252072581. The reversal of 252072557 is 755270252.

252072557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252072557 - 2¹² = 252068461 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 (252072757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187163 + ... + 188504.

It is an arithmetic number, because the mean of its divisors is an integer number (34937124).

Almost surely, 2^252072557 is an apocalyptic number.

It is an amenable number.

252072557 is a deficient number, since it is larger than the sum of its proper divisors (27424435).

252072557 is a wasteful number, since it uses less digits than its factorization.

252072557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375739.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 252072557 is about 15876.7930325995. The cubic root of 252072557 is about 631.6965751261.

The spelling of 252072557 in words is "two hundred fifty-two million, seventy-two thousand, five hundred fifty-seven".