97492859 has 2 divisors, whose sum is σ = 97492860. Its totient is φ = 97492858.

The previous prime is 97492847. The next prime is 97492903. The reversal of 97492859 is 95829479.

It is a weak prime.

It is an emirp because it is prime and its reverse (95829479) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97492859 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 97492859.

It is not a weakly prime, because it can be changed into another prime (97402859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48746429 + 48746430.

It is an arithmetic number, because the mean of its divisors is an integer number (48746430).

Almost surely, 2^97492859 is an apocalyptic number.

97492859 is a deficient number, since it is larger than the sum of its proper divisors (1).

97492859 is an equidigital number, since it uses as much as digits as its factorization.

97492859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 53.

The square root of 97492859 is about 9873.8472238535. The cubic root of 97492859 is about 460.2469672571.

The spelling of 97492859 in words is "ninety-seven million, four hundred ninety-two thousand, eight hundred fifty-nine".