97158469 has 2 divisors, whose sum is σ = 97158470. Its totient is φ = 97158468.

The previous prime is 97158449. The next prime is 97158491. The reversal of 97158469 is 96485179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71605444 + 25553025 = 8462^2 + 5055^2 .

It is a cyclic number.

It is not a de Polignac number, because 97158469 - 2¹⁷ = 97027397 is a prime.

It is a super-2 number, since 2×97158469² = 18879536196847922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97158409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48579234 + 48579235.

It is an arithmetic number, because the mean of its divisors is an integer number (48579235).

Almost surely, 2^97158469 is an apocalyptic number.

It is an amenable number.

97158469 is a deficient number, since it is larger than the sum of its proper divisors (1).

97158469 is an equidigital number, since it uses as much as digits as its factorization.

97158469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 97158469 is about 9856.8995632501. The cubic root of 97158469 is about 459.7201653397.

The spelling of 97158469 in words is "ninety-seven million, one hundred fifty-eight thousand, four hundred sixty-nine".