7897025 has 6 divisors (see below), whose sum is σ = 9792342. Its totient is φ = 6317600.

The previous prime is 7897013. The next prime is 7897031. The reversal of 7897025 is 5207987.

It can be written as a sum of positive squares in 3 ways, for example, as 101761 + 7795264 = 319^2 + 2792^2 .

It is not a de Polignac number, because 7897025 - 2⁸ = 7896769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7897025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157916 + ... + 157965.

It is an arithmetic number, because the mean of its divisors is an integer number (1632057).

Almost surely, 2^7897025 is an apocalyptic number.

It is an amenable number.

7897025 is a deficient number, since it is larger than the sum of its proper divisors (1895317).

7897025 is a wasteful number, since it uses less digits than its factorization.

7897025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315891 (or 315886 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 7897025 is about 2810.1645859273. The cubic root of 7897025 is about 199.1381665500.

Subtracting from 7897025 its sum of digits (38), we obtain a palindrome (7896987).

The spelling of 7897025 in words is "seven million, eight hundred ninety-seven thousand, twenty-five".