5171231508 has 12 divisors (see below), whose sum is σ = 12066206880. Its totient is φ = 1723743832.

The previous prime is 5171231449. The next prime is 5171231509. The reversal of 5171231508 is 8051321715.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171231509) 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, 215467968 + ... + 215467991.

It is an arithmetic number, because the mean of its divisors is an integer number (1005517240).

Almost surely, 2^5171231508 is an apocalyptic number.

It is an amenable number.

5171231508 is an abundant number, since it is smaller than the sum of its proper divisors (6894975372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5171231508 is a wasteful number, since it uses less digits than its factorization.

5171231508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430935966 (or 430935964 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 5171231508 is about 71911.2752494350. The cubic root of 5171231508 is about 1729.2773784906.

The spelling of 5171231508 in words is "five billion, one hundred seventy-one million, two hundred thirty-one thousand, five hundred eight".