5252491672 has 8 divisors (see below), whose sum is σ = 9848421900. Its totient is φ = 2626245832.

The previous prime is 5252491661. The next prime is 5252491757. The reversal of 5252491672 is 2761942525.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328280722 + ... + 328280737.

Almost surely, 2^5252491672 is an apocalyptic number.

It is an amenable number.

5252491672 is a deficient number, since it is larger than the sum of its proper divisors (4595930228).

5252491672 is a wasteful number, since it uses less digits than its factorization.

5252491672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656561465 (or 656561461 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 5252491672 is about 72474.0758616486. The cubic root of 5252491672 is about 1738.2882350916.

The spelling of 5252491672 in words is "five billion, two hundred fifty-two million, four hundred ninety-one thousand, six hundred seventy-two".