7525533 has 4 divisors (see below), whose sum is σ = 10034048. Its totient is φ = 5017020.

The previous prime is 7525519. The next prime is 7525571. The reversal of 7525533 is 3355257.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3355257 = 3 ⋅1118419.

It is not a de Polignac number, because 7525533 - 2⁴ = 7525517 is a prime.

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 7525533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7525513) 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, 1254253 + ... + 1254258.

It is an arithmetic number, because the mean of its divisors is an integer number (2508512).

Almost surely, 2^7525533 is an apocalyptic number.

It is an amenable number.

7525533 is a deficient number, since it is larger than the sum of its proper divisors (2508515).

7525533 is a wasteful number, since it uses less digits than its factorization.

7525533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508514.

The product of its digits is 15750, while the sum is 30.

The square root of 7525533 is about 2743.2704934075. The cubic root of 7525533 is about 195.9652600514.

The spelling of 7525533 in words is "seven million, five hundred twenty-five thousand, five hundred thirty-three".