7975025 has 6 divisors (see below), whose sum is σ = 9889062. Its totient is φ = 6380000.

The previous prime is 7975021. The next prime is 7975027. The reversal of 7975025 is 5205797.

It can be written as a sum of positive squares in 3 ways, for example, as 49 + 7974976 = 7^2 + 2824^2 .

It is not a de Polignac number, because 7975025 - 2² = 7975021 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7975021) 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, 159476 + ... + 159525.

It is an arithmetic number, because the mean of its divisors is an integer number (1648177).

Almost surely, 2^7975025 is an apocalyptic number.

It is an amenable number.

7975025 is a deficient number, since it is larger than the sum of its proper divisors (1914037).

7975025 is a wasteful number, since it uses less digits than its factorization.

7975025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319011 (or 319006 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 7975025 is about 2824.0086756241. The cubic root of 7975025 is about 199.7916580435.

The spelling of 7975025 in words is "seven million, nine hundred seventy-five thousand, twenty-five".