97171051 has 2 divisors, whose sum is σ = 97171052. Its totient is φ = 97171050.

The previous prime is 97171007. The next prime is 97171057. The reversal of 97171051 is 15017179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97171051 - 2⁷ = 97170923 is a prime.

It is not a weakly prime, because it can be changed into another prime (97171057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48585525 + 48585526.

It is an arithmetic number, because the mean of its divisors is an integer number (48585526).

Almost surely, 2^97171051 is an apocalyptic number.

97171051 is a deficient number, since it is larger than the sum of its proper divisors (1).

97171051 is an equidigital number, since it uses as much as digits as its factorization.

97171051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 97171051 is about 9857.5377757328. The cubic root of 97171051 is about 459.7400090360.

The spelling of 97171051 in words is "ninety-seven million, one hundred seventy-one thousand, fifty-one".