7519225 has 12 divisors (see below), whose sum is σ = 10656064. Its totient is φ = 5155920.

The previous prime is 7519223. The next prime is 7519261. The reversal of 7519225 is 5229157.

It is not a de Polignac number, because 7519225 - 2¹ = 7519223 is a prime.

It is a Duffinian number.

7519225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7519223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21309 + ... + 21658.

Almost surely, 2^7519225 is an apocalyptic number.

It is an amenable number.

7519225 is a deficient number, since it is larger than the sum of its proper divisors (3136839).

7519225 is a wasteful number, since it uses less digits than its factorization.

7519225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42984 (or 42979 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 7519225 is about 2742.1205298090. The cubic root of 7519225 is about 195.9104911995.

It can be divided in two parts, 7519 and 225, that added together give a square (7744 = 88²).

The spelling of 7519225 in words is "seven million, five hundred nineteen thousand, two hundred twenty-five".