105975013 has 4 divisors (see below), whose sum is σ = 106530048. Its totient is φ = 105419980.

The previous prime is 105974983. The next prime is 105975029. The reversal of 105975013 is 310579501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105975013 is a prime.

It is a super-2 number, since 2×105975013² = 22461406760700338, 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 (105975043) 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, 277231 + ... + 277612.

It is an arithmetic number, because the mean of its divisors is an integer number (26632512).

Almost surely, 2^105975013 is an apocalyptic number.

It is an amenable number.

105975013 is a deficient number, since it is larger than the sum of its proper divisors (555035).

105975013 is an equidigital number, since it uses as much as digits as its factorization.

105975013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555034.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 105975013 is about 10294.4165934743. The cubic root of 105975013 is about 473.2251593817.

The spelling of 105975013 in words is "one hundred five million, nine hundred seventy-five thousand, thirteen".