104345551 has 2 divisors, whose sum is σ = 104345552. Its totient is φ = 104345550.

The previous prime is 104345539. The next prime is 104345573. The reversal of 104345551 is 155543401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104345551 - 2¹⁷ = 104214479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104345051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52172775 + 52172776.

It is an arithmetic number, because the mean of its divisors is an integer number (52172776).

Almost surely, 2^104345551 is an apocalyptic number.

104345551 is a deficient number, since it is larger than the sum of its proper divisors (1).

104345551 is an equidigital number, since it uses as much as digits as its factorization.

104345551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 104345551 is about 10214.9670092468. The cubic root of 104345551 is about 470.7871989743.

Adding to 104345551 its reverse (155543401), we get a palindrome (259888952).

The spelling of 104345551 in words is "one hundred four million, three hundred forty-five thousand, five hundred fifty-one".