97499225 has 12 divisors (see below), whose sum is σ = 121972476. Its totient is φ = 77306880.

The previous prime is 97499221. The next prime is 97499243. The reversal of 97499225 is 52299479.

It can be written as a sum of positive squares in 6 ways, for example, as 5895184 + 91604041 = 2428^2 + 9571^2 .

It is not a de Polignac number, because 97499225 - 2² = 97499221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97499225.

It is not an unprimeable number, because it can be changed into a prime (97499221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14432 + ... + 20081.

It is an arithmetic number, because the mean of its divisors is an integer number (10164373).

Almost surely, 2^97499225 is an apocalyptic number.

It is an amenable number.

97499225 is a deficient number, since it is larger than the sum of its proper divisors (24473251).

97499225 is a wasteful number, since it uses less digits than its factorization.

97499225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34636 (or 34631 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 97499225 is about 9874.1695853373. The cubic root of 97499225 is about 460.2569846350.

The spelling of 97499225 in words is "ninety-seven million, four hundred ninety-nine thousand, two hundred twenty-five".