252638876523 has 8 divisors (see below), whose sum is σ = 367474729536. Its totient is φ = 153114470600.

The previous prime is 252638876467. The next prime is 252638876533. The reversal of 252638876523 is 325678836252.

It is a happy number.

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 252638876523 - 2¹³ = 252638868331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252638876533) 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, 3827861733 + ... + 3827861798.

It is an arithmetic number, because the mean of its divisors is an integer number (45934341192).

Almost surely, 2^252638876523 is an apocalyptic number.

252638876523 is a deficient number, since it is larger than the sum of its proper divisors (114835853013).

252638876523 is a wasteful number, since it uses less digits than its factorization.

252638876523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7655723545.

The product of its digits is 29030400, while the sum is 57.

The spelling of 252638876523 in words is "two hundred fifty-two billion, six hundred thirty-eight million, eight hundred seventy-six thousand, five hundred twenty-three".