105906541 has 4 divisors (see below), whose sum is σ = 114053212. Its totient is φ = 97759872.

The previous prime is 105906533. The next prime is 105906547. The reversal of 105906541 is 145609501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145609501 = 61 ⋅2387041.

It can be written as a sum of positive squares in 2 ways, for example, as 13169641 + 92736900 = 3629^2 + 9630^2 .

It is a cyclic number.

It is not a de Polignac number, because 105906541 - 2³ = 105906533 is a prime.

It is a super-2 number, since 2×105906541² = 22432390853169362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105906547) 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, 4073316 + ... + 4073341.

It is an arithmetic number, because the mean of its divisors is an integer number (28513303).

Almost surely, 2^105906541 is an apocalyptic number.

It is an amenable number.

105906541 is a deficient number, since it is larger than the sum of its proper divisors (8146671).

105906541 is an equidigital number, since it uses as much as digits as its factorization.

105906541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146670.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 105906541 is about 10291.0903698296. The cubic root of 105906541 is about 473.1232181998.

The spelling of 105906541 in words is "one hundred five million, nine hundred six thousand, five hundred forty-one".