105774491 has 2 divisors, whose sum is σ = 105774492. Its totient is φ = 105774490.

The previous prime is 105774457. The next prime is 105774497. The reversal of 105774491 is 194477501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105774491 - 2²² = 101580187 is a prime.

It is a super-2 number, since 2×105774491² = 22376485892618162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105774497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52887245 + 52887246.

It is an arithmetic number, because the mean of its divisors is an integer number (52887246).

Almost surely, 2^105774491 is an apocalyptic number.

105774491 is a deficient number, since it is larger than the sum of its proper divisors (1).

105774491 is an equidigital number, since it uses as much as digits as its factorization.

105774491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 105774491 is about 10284.6726248335. The cubic root of 105774491 is about 472.9264978824.

The spelling of 105774491 in words is "one hundred five million, seven hundred seventy-four thousand, four hundred ninety-one".