7525331 has 4 divisors (see below), whose sum is σ = 8209464. Its totient is φ = 6841200.

The previous prime is 7525313. The next prime is 7525333. The reversal of 7525331 is 1335257.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7525331 - 2¹⁴ = 7508947 is a prime.

It is a super-2 number, since 2×7525331² = 113261213319122, which contains 22 as substring.

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 7525331.

It is not an unprimeable number, because it can be changed into a prime (7525333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342050 + ... + 342071.

It is an arithmetic number, because the mean of its divisors is an integer number (2052366).

Almost surely, 2^7525331 is an apocalyptic number.

7525331 is a deficient number, since it is larger than the sum of its proper divisors (684133).

7525331 is a wasteful number, since it uses less digits than its factorization.

7525331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684132.

The product of its digits is 3150, while the sum is 26.

The square root of 7525331 is about 2743.2336757921. The cubic root of 7525331 is about 195.9635066723.

The spelling of 7525331 in words is "seven million, five hundred twenty-five thousand, three hundred thirty-one".