13575725 has 6 divisors (see below), whose sum is σ = 16833930. Its totient is φ = 10860560.

The previous prime is 13575721. The next prime is 13575743. The reversal of 13575725 is 52757531.

It can be written as a sum of positive squares in 3 ways, for example, as 11236 + 13564489 = 106^2 + 3683^2 .

It is not a de Polignac number, because 13575725 - 2² = 13575721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13575721) 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 5 ways as a sum of consecutive naturals, for example, 271490 + ... + 271539.

It is an arithmetic number, because the mean of its divisors is an integer number (2805655).

Almost surely, 2^13575725 is an apocalyptic number.

It is an amenable number.

13575725 is a deficient number, since it is larger than the sum of its proper divisors (3258205).

13575725 is an equidigital number, since it uses as much as digits as its factorization.

13575725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543039 (or 543034 counting only the distinct ones).

The product of its digits is 36750, while the sum is 35.

The square root of 13575725 is about 3684.5250711591. The cubic root of 13575725 is about 238.5545351545.

The spelling of 13575725 in words is "thirteen million, five hundred seventy-five thousand, seven hundred twenty-five".