5351972517 has 6 divisors (see below), whose sum is σ = 7730626982. Its totient is φ = 3567981672.

The previous prime is 5351972441. The next prime is 5351972537. The reversal of 5351972517 is 7152791535.

5351972517 is a `hidden beast` number, since 53 + 5 + 19 + 72 + 517 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3752052516 + 1599920001 = 61254^2 + 39999^2 .

It is not a de Polignac number, because 5351972517 - 2¹² = 5351968421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5351972537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 297331798 + ... + 297331815.

Almost surely, 2^5351972517 is an apocalyptic number.

It is an amenable number.

5351972517 is a deficient number, since it is larger than the sum of its proper divisors (2378654465).

5351972517 is a wasteful number, since it uses less digits than its factorization.

5351972517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594663619 (or 594663616 counting only the distinct ones).

The product of its digits is 330750, while the sum is 45.

The square root of 5351972517 is about 73157.1767976321. The cubic root of 5351972517 is about 1749.1939163240.

The spelling of 5351972517 in words is "five billion, three hundred fifty-one million, nine hundred seventy-two thousand, five hundred seventeen".