105674321 has 2 divisors, whose sum is σ = 105674322. Its totient is φ = 105674320.

The previous prime is 105674297. The next prime is 105674357. The reversal of 105674321 is 123476501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97614400 + 8059921 = 9880^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 105674321 - 2²² = 101480017 is a prime.

It is a super-2 number, since 2×105674321² = 22334124237622082, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (105674221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52837160 + 52837161.

It is an arithmetic number, because the mean of its divisors is an integer number (52837161).

Almost surely, 2^105674321 is an apocalyptic number.

It is an amenable number.

105674321 is a deficient number, since it is larger than the sum of its proper divisors (1).

105674321 is an equidigital number, since it uses as much as digits as its factorization.

105674321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 105674321 is about 10279.8016031439. The cubic root of 105674321 is about 472.7771612794. Note that the first 3 decimals are identical.

The spelling of 105674321 in words is "one hundred five million, six hundred seventy-four thousand, three hundred twenty-one".