97425187 has 2 divisors, whose sum is σ = 97425188. Its totient is φ = 97425186.

The previous prime is 97425161. The next prime is 97425193. The reversal of 97425187 is 78152479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97425187 - 2⁷ = 97425059 is a prime.

It is not a weakly prime, because it can be changed into another prime (97425127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48712593 + 48712594.

It is an arithmetic number, because the mean of its divisors is an integer number (48712594).

Almost surely, 2^97425187 is an apocalyptic number.

97425187 is a deficient number, since it is larger than the sum of its proper divisors (1).

97425187 is an equidigital number, since it uses as much as digits as its factorization.

97425187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 43.

The square root of 97425187 is about 9870.4197985699. The cubic root of 97425187 is about 460.1404533298.

The spelling of 97425187 in words is "ninety-seven million, four hundred twenty-five thousand, one hundred eighty-seven".