97854131 has 2 divisors, whose sum is σ = 97854132. Its totient is φ = 97854130.

The previous prime is 97854083. The next prime is 97854139. The reversal of 97854131 is 13145879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97854131 - 2⁶ = 97854067 is a prime.

It is a super-2 number, since 2×97854131² = 19150861907530322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97854139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48927065 + 48927066.

It is an arithmetic number, because the mean of its divisors is an integer number (48927066).

Almost surely, 2^97854131 is an apocalyptic number.

97854131 is a deficient number, since it is larger than the sum of its proper divisors (1).

97854131 is an equidigital number, since it uses as much as digits as its factorization.

97854131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 97854131 is about 9892.1246959387. The cubic root of 97854131 is about 460.8147674098.

The spelling of 97854131 in words is "ninety-seven million, eight hundred fifty-four thousand, one hundred thirty-one".