7317025 has 9 divisors (see below), whose sum is σ = 9089913. Its totient is φ = 5842800.

The previous prime is 7316977. The next prime is 7317029. The reversal of 7317025 is 5207137.

The square root of 7317025 is 2705.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 431649 + 6885376 = 657^2 + 2624^2 .

It is not a de Polignac number, because 7317025 - 2⁹ = 7316513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

7317025 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7317029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13255 + ... + 13795.

Almost surely, 2^7317025 is an apocalyptic number.

7317025 is the 2705-th square number.

7317025 is the 1353-rd centered octagonal number.

It is an amenable number.

7317025 is a deficient number, since it is larger than the sum of its proper divisors (1772888).

7317025 is an frugal number, since it uses more digits than its factorization.

7317025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The cubic root of 7317025 is about 194.1384299126.

Multiplying 7317025 by its sum of digits (25), we get a square (182925625 = 13525²).

7317025 divided by its sum of digits (25) gives a square (292681 = 541²).

The spelling of 7317025 in words is "seven million, three hundred seventeen thousand, twenty-five".