105279397 has 2 divisors, whose sum is σ = 105279398. Its totient is φ = 105279396.

The previous prime is 105279373. The next prime is 105279401. The reversal of 105279397 is 793972501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103245921 + 2033476 = 10161^2 + 1426^2 .

It is a cyclic number.

It is not a de Polignac number, because 105279397 - 2¹⁹ = 104755109 is a prime.

It is a super-2 number, since 2×105279397² = 22167502865367218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105279497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52639698 + 52639699.

It is an arithmetic number, because the mean of its divisors is an integer number (52639699).

Almost surely, 2^105279397 is an apocalyptic number.

It is an amenable number.

105279397 is a deficient number, since it is larger than the sum of its proper divisors (1).

105279397 is an equidigital number, since it uses as much as digits as its factorization.

105279397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 105279397 is about 10260.5748864281. The cubic root of 105279397 is about 472.1874749017.

The spelling of 105279397 in words is "one hundred five million, two hundred seventy-nine thousand, three hundred ninety-seven".