104525561 has 32 divisors (see below), whose sum is σ = 127531008. Its totient is φ = 83825280.

The previous prime is 104525557. The next prime is 104525563. The reversal of 104525561 is 165525401.

It is a happy number.

It is not a de Polignac number, because 104525561 - 2² = 104525557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104525563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1431821 + ... + 1431893.

It is an arithmetic number, because the mean of its divisors is an integer number (3985344).

Almost surely, 2^104525561 is an apocalyptic number.

It is an amenable number.

104525561 is a deficient number, since it is larger than the sum of its proper divisors (23005447).

104525561 is an equidigital number, since it uses as much as digits as its factorization.

104525561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 104525561 is about 10223.7743030644. The cubic root of 104525561 is about 471.0577670262.

The spelling of 104525561 in words is "one hundred four million, five hundred twenty-five thousand, five hundred sixty-one".