7457525 has 12 divisors (see below), whose sum is σ = 9300000. Its totient is φ = 5932080.

The previous prime is 7457503. The next prime is 7457561. The reversal of 7457525 is 5257547.

It is a happy number.

It is not a de Polignac number, because 7457525 - 2⁸ = 7457269 is a prime.

It is a super-2 number, since 2×7457525² = 111229358251250, which contains 22 as substring.

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, 4226 + ... + 5724.

It is an arithmetic number, because the mean of its divisors is an integer number (775000).

Almost surely, 2^7457525 is an apocalyptic number.

It is an amenable number.

7457525 is a deficient number, since it is larger than the sum of its proper divisors (1842475).

7457525 is a wasteful number, since it uses less digits than its factorization.

7457525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708 (or 1703 counting only the distinct ones).

The product of its digits is 49000, while the sum is 35.

The square root of 7457525 is about 2730.8469382226. The cubic root of 7457525 is about 195.3731622769.

The spelling of 7457525 in words is "seven million, four hundred fifty-seven thousand, five hundred twenty-five".