7257625 has 8 divisors (see below), whose sum is σ = 9057672. Its totient is φ = 5806000.

The previous prime is 7257577. The next prime is 7257629. The reversal of 7257625 is 5267527.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 927369 + 6330256 = 963^2 + 2516^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7257625 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7257629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28906 + ... + 29155.

It is an arithmetic number, because the mean of its divisors is an integer number (1132209).

Almost surely, 2^7257625 is an apocalyptic number.

It is an amenable number.

7257625 is a deficient number, since it is larger than the sum of its proper divisors (1800047).

7257625 is an equidigital number, since it uses as much as digits as its factorization.

7257625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58076 (or 58066 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 7257625 is about 2693.9979584254. The cubic root of 7257625 is about 193.6116598315.

The spelling of 7257625 in words is "seven million, two hundred fifty-seven thousand, six hundred twenty-five".