9415791225 has 27 divisors (see below), whose sum is σ = 16867335693. Its totient is φ = 5020979040.

The previous prime is 9415791197. The next prime is 9415791251. The reversal of 9415791225 is 5221975149.

The square root of 9415791225 is 97035.

It is a perfect power (a square), and thus also a powerful number.

9415791225 is a `hidden beast` number, since 9 + 41 + 579 + 12 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3891139641 + 5524651584 = 62379^2 + 74328^2 .

It is not a de Polignac number, because 9415791225 - 2¹¹ = 9415789177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1452291 + ... + 1458759.

Almost surely, 2^9415791225 is an apocalyptic number.

9415791225 is the 97035-th square number.

9415791225 is the 48518-th centered octagonal number.

It is an amenable number.

9415791225 is a deficient number, since it is larger than the sum of its proper divisors (7451544468).

9415791225 is an frugal number, since it uses more digits than its factorization.

9415791225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954 (or 6477 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The cubic root of 9415791225 is about 2111.6354297384.

The spelling of 9415791225 in words is "nine billion, four hundred fifteen million, seven hundred ninety-one thousand, two hundred twenty-five".