7549003225 has 9 divisors (see below), whose sum is σ = 9361302717. Its totient is φ = 6038855040.

The previous prime is 7549003201. The next prime is 7549003247. The reversal of 7549003225 is 5223009457.

The square root of 7549003225 is 86885.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2984109129 + 4564894096 = 54627^2 + 67564^2 .

It is not a de Polignac number, because 7549003225 - 2⁵ = 7549003193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 425737 + ... + 443113.

Almost surely, 2^7549003225 is an apocalyptic number.

7549003225 is the 86885-th square number.

7549003225 is the 43443-rd centered octagonal number.

It is an amenable number.

7549003225 is a deficient number, since it is larger than the sum of its proper divisors (1812299492).

7549003225 is an frugal number, since it uses more digits than its factorization.

7549003225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34764 (or 17382 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The cubic root of 7549003225 is about 1961.6877058074.

The spelling of 7549003225 in words is "seven billion, five hundred forty-nine million, three thousand, two hundred twenty-five".