97845249 has 4 divisors (see below), whose sum is σ = 130460336. Its totient is φ = 65230164.

The previous prime is 97845239. The next prime is 97845257. The reversal of 97845249 is 94254879.

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.

It is not a de Polignac number, because 97845249 - 2⁴ = 97845233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97845198 and 97845207.

It is not an unprimeable number, because it can be changed into a prime (97845239) 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, 16307539 + ... + 16307544.

It is an arithmetic number, because the mean of its divisors is an integer number (32615084).

It is a Proth number, since it is equal to 1493 ⋅ 2¹⁶ + 1 and 1493 < 2¹⁶.

Almost surely, 2^97845249 is an apocalyptic number.

It is an amenable number.

97845249 is a deficient number, since it is larger than the sum of its proper divisors (32615087).

97845249 is a wasteful number, since it uses less digits than its factorization.

97845249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32615086.

The product of its digits is 725760, while the sum is 48.

The square root of 97845249 is about 9891.6757427647. The cubic root of 97845249 is about 460.8008246136.

The spelling of 97845249 in words is "ninety-seven million, eight hundred forty-five thousand, two hundred forty-nine".