104013557 has 2 divisors, whose sum is σ = 104013558. Its totient is φ = 104013556.

The previous prime is 104013541. The next prime is 104013563. The reversal of 104013557 is 755310401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82428241 + 21585316 = 9079^2 + 4646^2 .

It is a cyclic number.

It is not a de Polignac number, because 104013557 - 2⁴ = 104013541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104013527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52006778 + 52006779.

It is an arithmetic number, because the mean of its divisors is an integer number (52006779).

Almost surely, 2^104013557 is an apocalyptic number.

It is an amenable number.

104013557 is a deficient number, since it is larger than the sum of its proper divisors (1).

104013557 is an equidigital number, since it uses as much as digits as its factorization.

104013557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 104013557 is about 10198.7036921366. The cubic root of 104013557 is about 470.2873706591.

Adding to 104013557 its reverse (755310401), we get a palindrome (859323958).

The spelling of 104013557 in words is "one hundred four million, thirteen thousand, five hundred fifty-seven".