105264431 has 4 divisors (see below), whose sum is σ = 105450000. Its totient is φ = 105078864.

The previous prime is 105264409. The next prime is 105264449. The reversal of 105264431 is 134462501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134462501 = 67 ⋅2006903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105264431 is a prime.

It is a super-2 number, since 2×105264431² = 22161200867507522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105264431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105264451) 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, 91931 + ... + 93068.

It is an arithmetic number, because the mean of its divisors is an integer number (26362500).

Almost surely, 2^105264431 is an apocalyptic number.

105264431 is a deficient number, since it is larger than the sum of its proper divisors (185569).

105264431 is an equidigital number, since it uses as much as digits as its factorization.

105264431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185568.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 105264431 is about 10259.8455641398. The cubic root of 105264431 is about 472.1650992269.

The spelling of 105264431 in words is "one hundred five million, two hundred sixty-four thousand, four hundred thirty-one".