47959931 has 2 divisors, whose sum is σ = 47959932. Its totient is φ = 47959930.

The previous prime is 47959897. The next prime is 47959957. The reversal of 47959931 is 13995974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47959931 - 2¹⁴ = 47943547 is a prime.

It is a super-2 number, since 2×47959931² = 4600309963049522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47959981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23979965 + 23979966.

It is an arithmetic number, because the mean of its divisors is an integer number (23979966).

Almost surely, 2^47959931 is an apocalyptic number.

47959931 is a deficient number, since it is larger than the sum of its proper divisors (1).

47959931 is an equidigital number, since it uses as much as digits as its factorization.

47959931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 47.

The square root of 47959931 is about 6925.3108955483. The cubic root of 47959931 is about 363.3229651298.

The spelling of 47959931 in words is "forty-seven million, nine hundred fifty-nine thousand, nine hundred thirty-one".