105253439 has 8 divisors (see below), whose sum is σ = 107342928. Its totient is φ = 103184640.

The previous prime is 105253433. The next prime is 105253457. The reversal of 105253439 is 934352501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105253439 is a prime.

It is a super-2 number, since 2×105253439² = 22156572842653442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105253433) 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 in 7 ways as a sum of consecutive naturals, for example, 5309 + ... + 15449.

It is an arithmetic number, because the mean of its divisors is an integer number (13417866).

Almost surely, 2^105253439 is an apocalyptic number.

105253439 is a deficient number, since it is larger than the sum of its proper divisors (2089489).

105253439 is a wasteful number, since it uses less digits than its factorization.

105253439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10345.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 105253439 is about 10259.3098695770. The cubic root of 105253439 is about 472.1486637308.

The spelling of 105253439 in words is "one hundred five million, two hundred fifty-three thousand, four hundred thirty-nine".