97140893 has 2 divisors, whose sum is σ = 97140894. Its totient is φ = 97140892.

The previous prime is 97140877. The next prime is 97140899. The reversal of 97140893 is 39804179.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92987449 + 4153444 = 9643^2 + 2038^2 .

It is a cyclic number.

It is not a de Polignac number, because 97140893 - 2⁴ = 97140877 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97140893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97140899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48570446 + 48570447.

It is an arithmetic number, because the mean of its divisors is an integer number (48570447).

Almost surely, 2^97140893 is an apocalyptic number.

It is an amenable number.

97140893 is a deficient number, since it is larger than the sum of its proper divisors (1).

97140893 is an equidigital number, since it uses as much as digits as its factorization.

97140893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 97140893 is about 9856.0079646883. The cubic root of 97140893 is about 459.6924424900.

The spelling of 97140893 in words is "ninety-seven million, one hundred forty thousand, eight hundred ninety-three".