104550431 has 2 divisors, whose sum is σ = 104550432. Its totient is φ = 104550430.

The previous prime is 104550403. The next prime is 104550443. The reversal of 104550431 is 134055401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104550431 - 2⁶ = 104550367 is a prime.

It is a super-2 number, since 2×104550431² = 21861585244571522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104550397 and 104550406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104550491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52275215 + 52275216.

It is an arithmetic number, because the mean of its divisors is an integer number (52275216).

Almost surely, 2^104550431 is an apocalyptic number.

104550431 is a deficient number, since it is larger than the sum of its proper divisors (1).

104550431 is an equidigital number, since it uses as much as digits as its factorization.

104550431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 104550431 is about 10224.9905134430. The cubic root of 104550431 is about 471.0951240055.

The spelling of 104550431 in words is "one hundred four million, five hundred fifty thousand, four hundred thirty-one".