252000642477 has 32 divisors (see below), whose sum is σ = 346151715840. Its totient is φ = 163022428800.

The previous prime is 252000642449. The next prime is 252000642493. The reversal of 252000642477 is 774246000252.

It is a happy number.

It is not a de Polignac number, because 252000642477 - 2⁸ = 252000642221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252000642277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3308658 + ... + 3383964.

It is an arithmetic number, because the mean of its divisors is an integer number (10817241120).

Almost surely, 2^252000642477 is an apocalyptic number.

It is an amenable number.

252000642477 is a deficient number, since it is larger than the sum of its proper divisors (94151073363).

252000642477 is a wasteful number, since it uses less digits than its factorization.

252000642477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75633.

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 252000642477 in words is "two hundred fifty-two billion, six hundred forty-two thousand, four hundred seventy-seven".