30736225 has 12 divisors (see below), whose sum is σ = 41045116. Its totient is φ = 22697280.

The previous prime is 30736217. The next prime is 30736231. The reversal of 30736225 is 52263703.

It can be written as a sum of positive squares in 6 ways, for example, as 289 + 30735936 = 17^2 + 5544^2 .

It is not a de Polignac number, because 30736225 - 2³ = 30736217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30736193 and 30736202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46962 + ... + 47611.

Almost surely, 2^30736225 is an apocalyptic number.

It is an amenable number.

30736225 is a deficient number, since it is larger than the sum of its proper divisors (10308891).

30736225 is a wasteful number, since it uses less digits than its factorization.

30736225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94596 (or 94591 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 30736225 is about 5544.0260641523. The cubic root of 30736225 is about 313.2445393735.

Adding to 30736225 its reverse (52263703), we get a palindrome (82999928).

The spelling of 30736225 in words is "thirty million, seven hundred thirty-six thousand, two hundred twenty-five".