5131672015 has 4 divisors (see below), whose sum is σ = 6158006424. Its totient is φ = 4105337608.

The previous prime is 5131671991. The next prime is 5131672097. The reversal of 5131672015 is 5102761315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5131672015 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513167197 + ... + 513167206.

It is an arithmetic number, because the mean of its divisors is an integer number (1539501606).

Almost surely, 2^5131672015 is an apocalyptic number.

5131672015 is a deficient number, since it is larger than the sum of its proper divisors (1026334409).

5131672015 is a wasteful number, since it uses less digits than its factorization.

5131672015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026334408.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 5131672015 is about 71635.6895339188. The cubic root of 5131672015 is about 1724.8564764717.

The spelling of 5131672015 in words is "five billion, one hundred thirty-one million, six hundred seventy-two thousand, fifteen".