105940531 has 2 divisors, whose sum is σ = 105940532. Its totient is φ = 105940530.

The previous prime is 105940517. The next prime is 105940537. The reversal of 105940531 is 135049501.

It is a strong prime.

It is an emirp because it is prime and its reverse (135049501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105940531 - 2¹⁹ = 105416243 is a prime.

It is a super-2 number, since 2×105940531² = 22446792217123922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 105940531.

It is not a weakly prime, because it can be changed into another prime (105940537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52970265 + 52970266.

It is an arithmetic number, because the mean of its divisors is an integer number (52970266).

Almost surely, 2^105940531 is an apocalyptic number.

105940531 is a deficient number, since it is larger than the sum of its proper divisors (1).

105940531 is an equidigital number, since it uses as much as digits as its factorization.

105940531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 105940531 is about 10292.7416658537. The cubic root of 105940531 is about 473.1738280360.

The spelling of 105940531 in words is "one hundred five million, nine hundred forty thousand, five hundred thirty-one".