13625535 has 64 divisors (see below), whose sum is σ = 27869184. Its totient is φ = 5520000.

The previous prime is 13625533. The next prime is 13625537. The reversal of 13625535 is 53552631.

It is an interprime number because it is at equal distance from previous prime (13625533) and next prime (13625537).

It is not a de Polignac number, because 13625535 - 2¹ = 13625533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54160 + ... + 54410.

It is an arithmetic number, because the mean of its divisors is an integer number (435456).

Almost surely, 2^13625535 is an apocalyptic number.

13625535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13625535 is an abundant number, since it is smaller than the sum of its proper divisors (14243649).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13625535 is a wasteful number, since it uses less digits than its factorization.

13625535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its digits is 13500, while the sum is 30.

The square root of 13625535 is about 3691.2782338913. The cubic root of 13625535 is about 238.8459351491.

The spelling of 13625535 in words is "thirteen million, six hundred twenty-five thousand, five hundred thirty-five".