105625939 has 4 divisors (see below), whose sum is σ = 105662440. Its totient is φ = 105589440.

The previous prime is 105625909. The next prime is 105625943. The reversal of 105625939 is 939526501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939526501 = 7937 ⋅118373.

It is a cyclic number.

It is not a de Polignac number, because 105625939 - 2⁵ = 105625907 is a prime.

It is a super-2 number, since 2×105625939² = 22313677979263442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105625909) 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, 13497 + ... + 19834.

It is an arithmetic number, because the mean of its divisors is an integer number (26415610).

Almost surely, 2^105625939 is an apocalyptic number.

105625939 is a deficient number, since it is larger than the sum of its proper divisors (36501).

105625939 is an equidigital number, since it uses as much as digits as its factorization.

105625939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36500.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 105625939 is about 10277.4480781953. The cubic root of 105625939 is about 472.7049980640.

The spelling of 105625939 in words is "one hundred five million, six hundred twenty-five thousand, nine hundred thirty-nine".