99257245 has 8 divisors (see below), whose sum is σ = 120288600. Its totient is φ = 78619200.

The previous prime is 99257233. The next prime is 99257261. The reversal of 99257245 is 54275299.

It can be written as a sum of positive squares in 4 ways, for example, as 20775364 + 78481881 = 4558^2 + 8859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99257245 - 2⁷ = 99257117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97770 + ... + 98779.

It is an arithmetic number, because the mean of its divisors is an integer number (15036075).

Almost surely, 2^99257245 is an apocalyptic number.

It is an amenable number.

99257245 is a deficient number, since it is larger than the sum of its proper divisors (21031355).

99257245 is a wasteful number, since it uses less digits than its factorization.

99257245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196655.

The product of its digits is 226800, while the sum is 43.

The square root of 99257245 is about 9962.7930320769. The cubic root of 99257245 is about 463.0068385744.

The spelling of 99257245 in words is "ninety-nine million, two hundred fifty-seven thousand, two hundred forty-five".