97259489 has 2 divisors, whose sum is σ = 97259490. Its totient is φ = 97259488.

The previous prime is 97259473. The next prime is 97259527. The reversal of 97259489 is 98495279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48720400 + 48539089 = 6980^2 + 6967^2 .

It is an emirp because it is prime and its reverse (98495279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97259489 - 2⁴ = 97259473 is a prime.

It is a super-2 number, since 2×97259489² = 18918816401082242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97259489.

It is not a weakly prime, because it can be changed into another prime (97259419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48629744 + 48629745.

It is an arithmetic number, because the mean of its divisors is an integer number (48629745).

Almost surely, 2^97259489 is an apocalyptic number.

It is an amenable number.

97259489 is a deficient number, since it is larger than the sum of its proper divisors (1).

97259489 is an equidigital number, since it uses as much as digits as its factorization.

97259489 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 97259489 is about 9862.0225613208. The cubic root of 97259489 is about 459.8794406806.

The spelling of 97259489 in words is "ninety-seven million, two hundred fifty-nine thousand, four hundred eighty-nine".