97057393 has 2 divisors, whose sum is σ = 97057394. Its totient is φ = 97057392.

The previous prime is 97057391. The next prime is 97057399. The reversal of 97057393 is 39375079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49956624 + 47100769 = 7068^2 + 6863^2 .

It is an emirp because it is prime and its reverse (39375079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97057393 - 2¹ = 97057391 is a prime.

Together with 97057391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97057391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48528696 + 48528697.

It is an arithmetic number, because the mean of its divisors is an integer number (48528697).

Almost surely, 2^97057393 is an apocalyptic number.

It is an amenable number.

97057393 is a deficient number, since it is larger than the sum of its proper divisors (1).

97057393 is an equidigital number, since it uses as much as digits as its factorization.

97057393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 178605, while the sum is 43.

The square root of 97057393 is about 9851.7710590533. The cubic root of 97057393 is about 459.5606911712.

The spelling of 97057393 in words is "ninety-seven million, fifty-seven thousand, three hundred ninety-three".