272015831 has 2 divisors, whose sum is σ = 272015832. Its totient is φ = 272015830.

The previous prime is 272015819. The next prime is 272015833. The reversal of 272015831 is 138510272.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272015831 is a prime.

It is a super-2 number, since 2×272015831² = 147985224629241122, which contains 22 as substring.

Together with 272015833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 272015794 and 272015803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272015833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136007915 + 136007916.

It is an arithmetic number, because the mean of its divisors is an integer number (136007916).

Almost surely, 2^272015831 is an apocalyptic number.

272015831 is a deficient number, since it is larger than the sum of its proper divisors (1).

272015831 is an equidigital number, since it uses as much as digits as its factorization.

272015831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 272015831 is about 16492.9024431723. The cubic root of 272015831 is about 647.9349301818.

The spelling of 272015831 in words is "two hundred seventy-two million, fifteen thousand, eight hundred thirty-one".