97498913 has 4 divisors (see below), whose sum is σ = 97524528. Its totient is φ = 97473300.

The previous prime is 97498903. The next prime is 97498949. The reversal of 97498913 is 31989479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31989479 = 263 ⋅121633.

It is a cyclic number.

It is not a de Polignac number, because 97498913 - 2⁴ = 97498897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97498903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5831 + ... + 15132.

It is an arithmetic number, because the mean of its divisors is an integer number (24381132).

Almost surely, 2^97498913 is an apocalyptic number.

It is an amenable number.

97498913 is a deficient number, since it is larger than the sum of its proper divisors (25615).

97498913 is a wasteful number, since it uses less digits than its factorization.

97498913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25614.

The product of its digits is 489888, while the sum is 50.

The square root of 97498913 is about 9874.1537865277. The cubic root of 97498913 is about 460.2564936898.

The spelling of 97498913 in words is "ninety-seven million, four hundred ninety-eight thousand, nine hundred thirteen".