105325239 has 4 divisors (see below), whose sum is σ = 140433656. Its totient is φ = 70216824.

The previous prime is 105325201. The next prime is 105325243. The reversal of 105325239 is 932523501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105325239 - 2⁷ = 105325111 is a prime.

It is a super-2 number, since 2×105325239² = 22186811940814242, 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 (105325289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17554204 + ... + 17554209.

It is an arithmetic number, because the mean of its divisors is an integer number (35108414).

Almost surely, 2^105325239 is an apocalyptic number.

105325239 is a deficient number, since it is larger than the sum of its proper divisors (35108417).

105325239 is an equidigital number, since it uses as much as digits as its factorization.

105325239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35108416.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 105325239 is about 10262.8085337299. The cubic root of 105325239 is about 472.2560001080.

The spelling of 105325239 in words is "one hundred five million, three hundred twenty-five thousand, two hundred thirty-nine".