7325664525 has 18 divisors (see below), whose sum is σ = 13121079530. Its totient is φ = 3907020960.

The previous prime is 7325664487. The next prime is 7325664547. The reversal of 7325664525 is 5254665237.

7325664525 is a `hidden beast` number, since 7 + 32 + 566 + 4 + 52 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1372924809 + 5952739716 = 37053^2 + 77154^2 .

It is not a de Polignac number, because 7325664525 - 2⁶ = 7325664461 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16279030 + ... + 16279479.

Almost surely, 2^7325664525 is an apocalyptic number.

7325664525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7325664525 is a deficient number, since it is larger than the sum of its proper divisors (5795415005).

7325664525 is a wasteful number, since it uses less digits than its factorization.

7325664525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32558525 (or 32558517 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The square root of 7325664525 is about 85590.0959515761. The cubic root of 7325664525 is about 1942.1480904723.

The spelling of 7325664525 in words is "seven billion, three hundred twenty-five million, six hundred sixty-four thousand, five hundred twenty-five".