13525490 has 32 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 4796800.

The previous prime is 13525487. The next prime is 13525493. The reversal of 13525490 is 9452531.

It is an interprime number because it is at equal distance from previous prime (13525487) and next prime (13525493).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13525493) 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 15 ways as a sum of consecutive naturals, for example, 3011 + ... + 6009.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^13525490 is an apocalyptic number.

13525490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13525490 is an abundant number, since it is smaller than the sum of its proper divisors (13690510).

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

13525490 is a wasteful number, since it uses less digits than its factorization.

13525490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 13525490 is about 3677.7017279818. The cubic root of 13525490 is about 238.2599259911.

The spelling of 13525490 in words is "thirteen million, five hundred twenty-five thousand, four hundred ninety".