105564451 has 2 divisors, whose sum is σ = 105564452. Its totient is φ = 105564450.

The previous prime is 105564443. The next prime is 105564467. The reversal of 105564451 is 154465501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105564451 - 2³ = 105564443 is a prime.

It is a super-2 number, since 2×105564451² = 22287706629862802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105564401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52782225 + 52782226.

It is an arithmetic number, because the mean of its divisors is an integer number (52782226).

Almost surely, 2^105564451 is an apocalyptic number.

105564451 is a deficient number, since it is larger than the sum of its proper divisors (1).

105564451 is an equidigital number, since it uses as much as digits as its factorization.

105564451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 105564451 is about 10274.4562386532. The cubic root of 105564451 is about 472.6132550476.

The spelling of 105564451 in words is "one hundred five million, five hundred sixty-four thousand, four hundred fifty-one".