104351381 has 2 divisors, whose sum is σ = 104351382. Its totient is φ = 104351380.

The previous prime is 104351347. The next prime is 104351413. The reversal of 104351381 is 183153401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88078225 + 16273156 = 9385^2 + 4034^2 .

It is an emirp because it is prime and its reverse (183153401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104351381 - 2²² = 100157077 is a prime.

It is a super-2 number, since 2×104351381² = 21778421433214322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104351381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104351311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52175690 + 52175691.

It is an arithmetic number, because the mean of its divisors is an integer number (52175691).

Almost surely, 2^104351381 is an apocalyptic number.

It is an amenable number.

104351381 is a deficient number, since it is larger than the sum of its proper divisors (1).

104351381 is an equidigital number, since it uses as much as digits as its factorization.

104351381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 104351381 is about 10215.2523708423. The cubic root of 104351381 is about 470.7959667599.

The spelling of 104351381 in words is "one hundred four million, three hundred fifty-one thousand, three hundred eighty-one".