7641525 has 24 divisors (see below), whose sum is σ = 12742240. Its totient is φ = 4040640.

The previous prime is 7641511. The next prime is 7641527. The reversal of 7641525 is 5251467.

It is not a de Polignac number, because 7641525 - 2⁴ = 7641509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7641492 and 7641501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7641527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10059 + ... + 10791.

Almost surely, 2^7641525 is an apocalyptic number.

7641525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7641525 is a deficient number, since it is larger than the sum of its proper divisors (5100715).

7641525 is a wasteful number, since it uses less digits than its factorization.

7641525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 880 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 7641525 is about 2764.3308412706. The cubic root of 7641525 is about 196.9669437007.

The spelling of 7641525 in words is "seven million, six hundred forty-one thousand, five hundred twenty-five".