7400525 has 24 divisors (see below), whose sum is σ = 10606464. Its totient is φ = 5062400.

The previous prime is 7400507. The next prime is 7400527. The reversal of 7400525 is 5250047.

It is not a de Polignac number, because 7400525 - 2⁶ = 7400461 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7400525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7400527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3884 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (441936).

Almost surely, 2^7400525 is an apocalyptic number.

It is an amenable number.

7400525 is a deficient number, since it is larger than the sum of its proper divisors (3205939).

7400525 is a wasteful number, since it uses less digits than its factorization.

7400525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 7400525 is about 2720.3905969548. The cubic root of 7400525 is about 194.8741243292.

The spelling of 7400525 in words is "seven million, four hundred thousand, five hundred twenty-five".