47975131 has 2 divisors, whose sum is σ = 47975132. Its totient is φ = 47975130.

The previous prime is 47975129. The next prime is 47975153. The reversal of 47975131 is 13157974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47975131 - 2¹ = 47975129 is a prime.

It is a super-2 number, since 2×47975131² = 4603226388934322, which contains 22 as substring.

Together with 47975129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47975531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23987565 + 23987566.

It is an arithmetic number, because the mean of its divisors is an integer number (23987566).

Almost surely, 2^47975131 is an apocalyptic number.

47975131 is a deficient number, since it is larger than the sum of its proper divisors (1).

47975131 is an equidigital number, since it uses as much as digits as its factorization.

47975131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 37.

The square root of 47975131 is about 6926.4082322658. The cubic root of 47975131 is about 363.3613438739.

The spelling of 47975131 in words is "forty-seven million, nine hundred seventy-five thousand, one hundred thirty-one".