7381525 has 12 divisors (see below), whose sum is σ = 9186912. Its totient is φ = 5883440.

The previous prime is 7381511. The next prime is 7381531. The reversal of 7381525 is 5251837.

It is not a de Polignac number, because 7381525 - 2²¹ = 5284373 is a prime.

It is a super-2 number, since 2×7381525² = 108973822651250, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12282 + ... + 12868.

It is an arithmetic number, because the mean of its divisors is an integer number (765576).

Almost surely, 2^7381525 is an apocalyptic number.

It is an amenable number.

7381525 is a deficient number, since it is larger than the sum of its proper divisors (1805387).

7381525 is a wasteful number, since it uses less digits than its factorization.

7381525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1095 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 7381525 is about 2716.8962070716. The cubic root of 7381525 is about 194.7072090737.

The spelling of 7381525 in words is "seven million, three hundred eighty-one thousand, five hundred twenty-five".