104525643 has 4 divisors (see below), whose sum is σ = 139367528. Its totient is φ = 69683760.

The previous prime is 104525623. The next prime is 104525651. The reversal of 104525643 is 346525401.

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

It is not a de Polignac number, because 104525643 - 2⁶ = 104525579 is a prime.

It is a super-2 number, since 2×104525643² = 21851220089126898, 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 104525643.

It is not an unprimeable number, because it can be changed into a prime (104525623) 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 3 ways as a sum of consecutive naturals, for example, 17420938 + ... + 17420943.

It is an arithmetic number, because the mean of its divisors is an integer number (34841882).

Almost surely, 2^104525643 is an apocalyptic number.

104525643 is a deficient number, since it is larger than the sum of its proper divisors (34841885).

104525643 is an equidigital number, since it uses as much as digits as its factorization.

104525643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34841884.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 104525643 is about 10223.7783133243. The cubic root of 104525643 is about 471.0578902073.

The spelling of 104525643 in words is "one hundred four million, five hundred twenty-five thousand, six hundred forty-three".