104524561 has 6 divisors (see below), whose sum is σ = 105311990. Its totient is φ = 103742976.

The previous prime is 104524549. The next prime is 104524579. The reversal of 104524561 is 165425401.

It can be written as a sum of positive squares in 3 ways, for example, as 9579025 + 94945536 = 3095^2 + 9744^2 .

It is not a de Polignac number, because 104524561 - 2¹¹ = 104522513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104524261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15985 + ... + 21553.

Almost surely, 2^104524561 is an apocalyptic number.

It is an amenable number.

104524561 is a deficient number, since it is larger than the sum of its proper divisors (787429).

104524561 is an frugal number, since it uses more digits than its factorization.

104524561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843 (or 5706 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 104524561 is about 10223.7253973295. The cubic root of 104524561 is about 471.0562648123.

Adding to 104524561 its reverse (165425401), we get a palindrome (269949962).

The spelling of 104524561 in words is "one hundred four million, five hundred twenty-four thousand, five hundred sixty-one".