7402525 has 12 divisors (see below), whose sum is σ = 9885652. Its totient is φ = 5466240.

The previous prime is 7402523. The next prime is 7402541. The reversal of 7402525 is 5252047.

It can be written as a sum of positive squares in 6 ways, for example, as 80089 + 7322436 = 283^2 + 2706^2 .

It is not a de Polignac number, because 7402525 - 2¹ = 7402523 is a prime.

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

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 7402525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7402523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11064 + ... + 11713.

Almost surely, 2^7402525 is an apocalyptic number.

It is an amenable number.

7402525 is a deficient number, since it is larger than the sum of its proper divisors (2483127).

7402525 is a wasteful number, since it uses less digits than its factorization.

7402525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22800 (or 22795 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 7402525 is about 2720.7581663941. The cubic root of 7402525 is about 194.8916777300.

The spelling of 7402525 in words is "seven million, four hundred two thousand, five hundred twenty-five".