7525987 has 4 divisors (see below), whose sum is σ = 8601136. Its totient is φ = 6450840.

The previous prime is 7525979. The next prime is 7526003. The reversal of 7525987 is 7895257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7895257 = 281 ⋅28097.

It is a cyclic number.

It is not a de Polignac number, because 7525987 - 2³ = 7525979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7525907) 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, 537564 + ... + 537577.

It is an arithmetic number, because the mean of its divisors is an integer number (2150284).

Almost surely, 2^7525987 is an apocalyptic number.

7525987 is a deficient number, since it is larger than the sum of its proper divisors (1075149).

7525987 is a wasteful number, since it uses less digits than its factorization.

7525987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075148.

The product of its digits is 176400, while the sum is 43.

The square root of 7525987 is about 2743.3532401060. The cubic root of 7525987 is about 195.9692006998.

It can be divided in two parts, 75 and 25987, that added together give a palindrome (26062).

The spelling of 7525987 in words is "seven million, five hundred twenty-five thousand, nine hundred eighty-seven".