47101657 has 2 divisors, whose sum is σ = 47101658. Its totient is φ = 47101656.

The previous prime is 47101573. The next prime is 47101669. The reversal of 47101657 is 75610174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40398736 + 6702921 = 6356^2 + 2589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47101657 is a prime.

It is not a weakly prime, because it can be changed into another prime (47101687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23550828 + 23550829.

It is an arithmetic number, because the mean of its divisors is an integer number (23550829).

Almost surely, 2^47101657 is an apocalyptic number.

It is an amenable number.

47101657 is a deficient number, since it is larger than the sum of its proper divisors (1).

47101657 is an equidigital number, since it uses as much as digits as its factorization.

47101657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 47101657 is about 6863.0646944350. The cubic root of 47101657 is about 361.1426067747.

The spelling of 47101657 in words is "forty-seven million, one hundred one thousand, six hundred fifty-seven".