361615225 has 6 divisors (see below), whose sum is σ = 448402910. Its totient is φ = 289292160.

The previous prime is 361615207. The next prime is 361615231. The reversal of 361615225 is 522516163.

It can be written as a sum of positive squares in 3 ways, for example, as 97357689 + 264257536 = 9867^2 + 16256^2 .

It is not a de Polignac number, because 361615225 - 2⁵ = 361615193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7232280 + ... + 7232329.

Almost surely, 2^361615225 is an apocalyptic number.

It is an amenable number.

361615225 is a deficient number, since it is larger than the sum of its proper divisors (86787685).

361615225 is a wasteful number, since it uses less digits than its factorization.

361615225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14464619 (or 14464614 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 361615225 is about 19016.1832395463. The cubic root of 361615225 is about 712.4409964477.

The spelling of 361615225 in words is "three hundred sixty-one million, six hundred fifteen thousand, two hundred twenty-five".