6525972431 has 4 divisors (see below), whose sum is σ = 7119242664. Its totient is φ = 5932702200.

The previous prime is 6525972407. The next prime is 6525972449. The reversal of 6525972431 is 1342795256.

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

It is a cyclic number.

It is not a de Polignac number, because 6525972431 - 2³⁰ = 5452230607 is a prime.

It is a super-2 number, since 2×6525972431² = 85176632340344099522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525972031) 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, 296635100 + ... + 296635121.

It is an arithmetic number, because the mean of its divisors is an integer number (1779810666).

Almost surely, 2^6525972431 is an apocalyptic number.

6525972431 is a deficient number, since it is larger than the sum of its proper divisors (593270233).

6525972431 is a wasteful number, since it uses less digits than its factorization.

6525972431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593270232.

The product of its digits is 453600, while the sum is 44.

The square root of 6525972431 is about 80783.4910795516. The cubic root of 6525972431 is about 1868.7379772518.

The spelling of 6525972431 in words is "six billion, five hundred twenty-five million, nine hundred seventy-two thousand, four hundred thirty-one".