47515859 has 2 divisors, whose sum is σ = 47515860. Its totient is φ = 47515858.

The previous prime is 47515837. The next prime is 47515873. The reversal of 47515859 is 95851574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47515859 - 2⁸ = 47515603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47515879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23757929 + 23757930.

It is an arithmetic number, because the mean of its divisors is an integer number (23757930).

Almost surely, 2^47515859 is an apocalyptic number.

47515859 is a deficient number, since it is larger than the sum of its proper divisors (1).

47515859 is an equidigital number, since it uses as much as digits as its factorization.

47515859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 44.

The square root of 47515859 is about 6893.1748128130. The cubic root of 47515859 is about 362.1981226761.

The spelling of 47515859 in words is "forty-seven million, five hundred fifteen thousand, eight hundred fifty-nine".