47534881 has 2 divisors, whose sum is σ = 47534882. Its totient is φ = 47534880.

The previous prime is 47534863. The next prime is 47534887. The reversal of 47534881 is 18843574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41731600 + 5803281 = 6460^2 + 2409^2 .

It is a cyclic number.

It is not a de Polignac number, because 47534881 - 2⁵ = 47534849 is a prime.

It is a super-2 number, since 2×47534881² = 4519129823368322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47534887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23767440 + 23767441.

It is an arithmetic number, because the mean of its divisors is an integer number (23767441).

Almost surely, 2^47534881 is an apocalyptic number.

It is an amenable number.

47534881 is a deficient number, since it is larger than the sum of its proper divisors (1).

47534881 is an equidigital number, since it uses as much as digits as its factorization.

47534881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 40.

The square root of 47534881 is about 6894.5544453576. The cubic root of 47534881 is about 362.2464490921.

The spelling of 47534881 in words is "forty-seven million, five hundred thirty-four thousand, eight hundred eighty-one".