7825925 has 6 divisors (see below), whose sum is σ = 9704178. Its totient is φ = 6260720.

The previous prime is 7825921. The next prime is 7825943. The reversal of 7825925 is 5295287.

It can be written as a sum of positive squares in 3 ways, for example, as 432964 + 7392961 = 658^2 + 2719^2 .

It is not a de Polignac number, because 7825925 - 2² = 7825921 is a prime.

It is a super-2 number, since 2×7825925² = 122490204211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7825921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156494 + ... + 156543.

It is an arithmetic number, because the mean of its divisors is an integer number (1617363).

Almost surely, 2^7825925 is an apocalyptic number.

It is an amenable number.

7825925 is a deficient number, since it is larger than the sum of its proper divisors (1878253).

7825925 is a wasteful number, since it uses less digits than its factorization.

7825925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313047 (or 313042 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 7825925 is about 2797.4854780678. The cubic root of 7825925 is about 198.5387243702.

The spelling of 7825925 in words is "seven million, eight hundred twenty-five thousand, nine hundred twenty-five".