7525015 has 4 divisors (see below), whose sum is σ = 9030024. Its totient is φ = 6020008.

The previous prime is 7525013. The next prime is 7525027. The reversal of 7525015 is 5105257.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5105257 = 677 ⋅7541.

It is a cyclic number.

It is not a de Polignac number, because 7525015 - 2¹ = 7525013 is a prime.

It is a Duffinian number.

7525015 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7525013) 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 3 ways as a sum of consecutive naturals, for example, 752497 + ... + 752506.

It is an arithmetic number, because the mean of its divisors is an integer number (2257506).

Almost surely, 2^7525015 is an apocalyptic number.

7525015 is a deficient number, since it is larger than the sum of its proper divisors (1505009).

7525015 is a wasteful number, since it uses less digits than its factorization.

7525015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505008.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 7525015 is about 2743.1760789275. The cubic root of 7525015 is about 195.9607636995.

The spelling of 7525015 in words is "seven million, five hundred twenty-five thousand, fifteen".