7925397 has 4 divisors (see below), whose sum is σ = 10567200. Its totient is φ = 5283596.

The previous prime is 7925389. The next prime is 7925453. The reversal of 7925397 is 7935297.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7935297 = 3 ⋅2645099.

It is a cyclic number.

It is not a de Polignac number, because 7925397 - 2³ = 7925389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7925327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320897 + ... + 1320902.

It is an arithmetic number, because the mean of its divisors is an integer number (2641800).

Almost surely, 2^7925397 is an apocalyptic number.

It is an amenable number.

7925397 is a deficient number, since it is larger than the sum of its proper divisors (2641803).

7925397 is a wasteful number, since it uses less digits than its factorization.

7925397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641802.

The product of its digits is 119070, while the sum is 42.

The square root of 7925397 is about 2815.2081628185. The cubic root of 7925397 is about 199.3763657562.

The spelling of 7925397 in words is "seven million, nine hundred twenty-five thousand, three hundred ninety-seven".