97140269 has 2 divisors, whose sum is σ = 97140270. Its totient is φ = 97140268.

The previous prime is 97140223. The next prime is 97140287. The reversal of 97140269 is 96204179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96786244 + 354025 = 9838^2 + 595^2 .

It is an emirp because it is prime and its reverse (96204179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97140269 - 2²⁴ = 80363053 is a prime.

It is a super-2 number, since 2×97140269² = 18872463722784722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97140209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48570134 + 48570135.

It is an arithmetic number, because the mean of its divisors is an integer number (48570135).

Almost surely, 2^97140269 is an apocalyptic number.

It is an amenable number.

97140269 is a deficient number, since it is larger than the sum of its proper divisors (1).

97140269 is an equidigital number, since it uses as much as digits as its factorization.

97140269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 97140269 is about 9855.9763088189. The cubic root of 97140269 is about 459.6914581854.

The spelling of 97140269 in words is "ninety-seven million, one hundred forty thousand, two hundred sixty-nine".