104515951 has 2 divisors, whose sum is σ = 104515952. Its totient is φ = 104515950.

The previous prime is 104515909. The next prime is 104515967. The reversal of 104515951 is 159515401.

It is a strong prime.

It is an emirp because it is prime and its reverse (159515401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104515951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104515981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52257975 + 52257976.

It is an arithmetic number, because the mean of its divisors is an integer number (52257976).

Almost surely, 2^104515951 is an apocalyptic number.

104515951 is a deficient number, since it is larger than the sum of its proper divisors (1).

104515951 is an equidigital number, since it uses as much as digits as its factorization.

104515951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 104515951 is about 10223.3043092730. The cubic root of 104515951 is about 471.0433303537.

The spelling of 104515951 in words is "one hundred four million, five hundred fifteen thousand, nine hundred fifty-one".