7445525 has 12 divisors (see below), whose sum is σ = 9267264. Its totient is φ = 5934000.

The previous prime is 7445521. The next prime is 7445527. The reversal of 7445525 is 5255447.

It is not a de Polignac number, because 7445525 - 2² = 7445521 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 7445491 and 7445500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7445521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10430 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (772272).

Almost surely, 2^7445525 is an apocalyptic number.

It is an amenable number.

7445525 is a deficient number, since it is larger than the sum of its proper divisors (1821739).

7445525 is a wasteful number, since it uses less digits than its factorization.

7445525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1127 counting only the distinct ones).

The product of its digits is 28000, while the sum is 32.

The square root of 7445525 is about 2728.6489330803. The cubic root of 7445525 is about 195.2683135242.

The spelling of 7445525 in words is "seven million, four hundred forty-five thousand, five hundred twenty-five".