7725025 has 24 divisors (see below), whose sum is σ = 11945664. Its totient is φ = 4814400.

The previous prime is 7725023. The next prime is 7725031. The reversal of 7725025 is 5205277.

It is not a de Polignac number, because 7725025 - 2¹ = 7725023 is a prime.

It is a super-2 number, since 2×7725025² = 119352022501250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7724984 and 7725002.

It is not an unprimeable number, because it can be changed into a prime (7725023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82 + ... + 3931.

It is an arithmetic number, because the mean of its divisors is an integer number (497736).

Almost surely, 2^7725025 is an apocalyptic number.

It is an amenable number.

7725025 is a deficient number, since it is larger than the sum of its proper divisors (4220639).

7725025 is a wasteful number, since it uses less digits than its factorization.

7725025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4036 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 7725025 is about 2779.3929193261. The cubic root of 7725025 is about 197.6817746438.

The spelling of 7725025 in words is "seven million, seven hundred twenty-five thousand, twenty-five".