7042525 has 18 divisors (see below), whose sum is σ = 10160250. Its totient is φ = 4828320.

The previous prime is 7042523. The next prime is 7042579. The reversal of 7042525 is 5252407.

It can be written as a sum of positive squares in 3 ways, for example, as 41209 + 7001316 = 203^2 + 2646^2 .

It is not a de Polignac number, because 7042525 - 2¹ = 7042523 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7042525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042523) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1650 + ... + 4099.

Almost surely, 2^7042525 is an apocalyptic number.

It is an amenable number.

7042525 is a deficient number, since it is larger than the sum of its proper divisors (3117725).

7042525 is a wasteful number, since it uses less digits than its factorization.

7042525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773 (or 5761 counting only the distinct ones).

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

The square root of 7042525 is about 2653.7756122174. The cubic root of 7042525 is about 191.6797050572.

The spelling of 7042525 in words is "seven million, forty-two thousand, five hundred twenty-five".