105254389 has 2 divisors, whose sum is σ = 105254390. Its totient is φ = 105254388.

The previous prime is 105254351. The next prime is 105254419. The reversal of 105254389 is 983452501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89453764 + 15800625 = 9458^2 + 3975^2 .

It is a cyclic number.

It is not a de Polignac number, because 105254389 - 2²¹ = 103157237 is a prime.

It is a super-2 number, since 2×105254389² = 22156972807526642, which contains 22 as substring.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105254309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52627194 + 52627195.

It is an arithmetic number, because the mean of its divisors is an integer number (52627195).

Almost surely, 2^105254389 is an apocalyptic number.

It is an amenable number.

105254389 is a deficient number, since it is larger than the sum of its proper divisors (1).

105254389 is an equidigital number, since it uses as much as digits as its factorization.

105254389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 105254389 is about 10259.3561688831. The cubic root of 105254389 is about 472.1500842383.

The spelling of 105254389 in words is "one hundred five million, two hundred fifty-four thousand, three hundred eighty-nine".