252771510 has 16 divisors (see below), whose sum is σ = 606651696. Its totient is φ = 67405728.

The previous prime is 252771509. The next prime is 252771527. The reversal of 252771510 is 15177252.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 8425717 = 252771510 / (2 + 5 + 2 + 7 + 7 + 1 + 5 + 1 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4212829 + ... + 4212888.

It is an arithmetic number, because the mean of its divisors is an integer number (37915731).

Almost surely, 2^252771510 is an apocalyptic number.

252771510 is an abundant number, since it is smaller than the sum of its proper divisors (353880186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252771510 is a wasteful number, since it uses less digits than its factorization.

252771510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425727.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 252771510 is about 15898.7895765684. The cubic root of 252771510 is about 632.2798975862.

The spelling of 252771510 in words is "two hundred fifty-two million, seven hundred seventy-one thousand, five hundred ten".