7650225 has 54 divisors (see below), whose sum is σ = 15114918. Its totient is φ = 3696000.

The previous prime is 7650199. The next prime is 7650239. The reversal of 7650225 is 5220567.

7650225 = 43² + 44² + ... + 284².

7650225 is a `hidden beast` number, since 7 + 650 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 853776 + 6796449 = 924^2 + 2607^2 .

It is not a de Polignac number, because 7650225 - 2⁸ = 7649969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 27085 + ... + 27365.

Almost surely, 2^7650225 is an apocalyptic number.

7650225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7650225 is a deficient number, since it is larger than the sum of its proper divisors (7464693).

7650225 is a wasteful number, since it uses less digits than its factorization.

7650225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 7650225 is about 2765.9040113496. The cubic root of 7650225 is about 197.0416653693.

It can be divided in two parts, 7650 and 225, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 7650225 in words is "seven million, six hundred fifty thousand, two hundred twenty-five".