5171437531 has 4 divisors (see below), whose sum is σ = 5569240432. Its totient is φ = 4773634632.

The previous prime is 5171437517. The next prime is 5171437541. The reversal of 5171437531 is 1357341715.

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

It is a de Polignac number, because none of the positive numbers 2^k-5171437531 is a prime.

It is a super-2 number, since 2×5171437531² = 53487532274070751922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5171437541) 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, 198901431 + ... + 198901456.

It is an arithmetic number, because the mean of its divisors is an integer number (1392310108).

Almost surely, 2^5171437531 is an apocalyptic number.

5171437531 is a deficient number, since it is larger than the sum of its proper divisors (397802901).

5171437531 is a wasteful number, since it uses less digits than its factorization.

5171437531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397802900.

The product of its digits is 44100, while the sum is 37.

The square root of 5171437531 is about 71912.7077156743. The cubic root of 5171437531 is about 1729.3003431159.

The spelling of 5171437531 in words is "five billion, one hundred seventy-one million, four hundred thirty-seven thousand, five hundred thirty-one".