7531525 has 12 divisors (see below), whose sum is σ = 9374400. Its totient is φ = 6002480.

The previous prime is 7531519. The next prime is 7531541. The reversal of 7531525 is 5251357.

It is not a de Polignac number, because 7531525 - 2⁷ = 7531397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7531493 and 7531502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10116 + ... + 10834.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^7531525 is an apocalyptic number.

It is an amenable number.

7531525 is a deficient number, since it is larger than the sum of its proper divisors (1842875).

7531525 is a wasteful number, since it uses less digits than its factorization.

7531525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1143 counting only the distinct ones).

The product of its digits is 5250, while the sum is 28.

The square root of 7531525 is about 2744.3624031822. The cubic root of 7531525 is about 196.0172569145.

It can be divided in two parts, 753 and 1525, that added together give a triangular number (2278 = T₆₇).

The spelling of 7531525 in words is "seven million, five hundred thirty-one thousand, five hundred twenty-five".