7521025 has 12 divisors (see below), whose sum is σ = 9486000. Its totient is φ = 5913680.

The previous prime is 7521013. The next prime is 7521049. The reversal of 7521025 is 5201257.

It is not a de Polignac number, because 7521025 - 2⁵ = 7520993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7520987 and 7521005.

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, 1075 + ... + 4024.

It is an arithmetic number, because the mean of its divisors is an integer number (790500).

Almost surely, 2^7521025 is an apocalyptic number.

It is an amenable number.

7521025 is a deficient number, since it is larger than the sum of its proper divisors (1964975).

7521025 is a wasteful number, since it uses less digits than its factorization.

7521025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168 (or 5163 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 7521025 is about 2742.4487233128. The cubic root of 7521025 is about 195.9261227196.

The spelling of 7521025 in words is "seven million, five hundred twenty-one thousand, twenty-five".