252567487 has 4 divisors (see below), whose sum is σ = 267424416. Its totient is φ = 237710560.

The previous prime is 252567481. The next prime is 252567499. The reversal of 252567487 is 784765252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252567487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252567481) 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, 7428439 + ... + 7428472.

It is an arithmetic number, because the mean of its divisors is an integer number (66856104).

Almost surely, 2^252567487 is an apocalyptic number.

252567487 is a deficient number, since it is larger than the sum of its proper divisors (14856929).

252567487 is a wasteful number, since it uses less digits than its factorization.

252567487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14856928.

The product of its digits is 940800, while the sum is 46.

The square root of 252567487 is about 15892.3719752591. The cubic root of 252567487 is about 632.1097381614.

The spelling of 252567487 in words is "two hundred fifty-two million, five hundred sixty-seven thousand, four hundred eighty-seven".