5261017631 has 8 divisors (see below), whose sum is σ = 5491728384. Its totient is φ = 5030471160.

The previous prime is 5261017613. The next prime is 5261017637. The reversal of 5261017631 is 1367101625.

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 5261017631 - 2¹⁴ = 5261001247 is a prime.

It is a super-2 number, since 2×5261017631² = 55356613027385704322, 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 (5261017637) 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, 26786 + ... + 106016.

It is an arithmetic number, because the mean of its divisors is an integer number (686466048).

Almost surely, 2^5261017631 is an apocalyptic number.

5261017631 is a deficient number, since it is larger than the sum of its proper divisors (230710753).

5261017631 is a wasteful number, since it uses less digits than its factorization.

5261017631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82141.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 5261017631 is about 72532.8727612522. The cubic root of 5261017631 is about 1739.2282691011.

The spelling of 5261017631 in words is "five billion, two hundred sixty-one million, seventeen thousand, six hundred thirty-one".