105531607 has 2 divisors, whose sum is σ = 105531608. Its totient is φ = 105531606.

The previous prime is 105531599. The next prime is 105531641. The reversal of 105531607 is 706135501.

It is a weak prime.

It is an emirp because it is prime and its reverse (706135501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105531607 - 2³ = 105531599 is a prime.

It is a super-2 number, since 2×105531607² = 22273840152004898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105531677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52765803 + 52765804.

It is an arithmetic number, because the mean of its divisors is an integer number (52765804).

Almost surely, 2^105531607 is an apocalyptic number.

105531607 is a deficient number, since it is larger than the sum of its proper divisors (1).

105531607 is an equidigital number, since it uses as much as digits as its factorization.

105531607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 105531607 is about 10272.8577815523. The cubic root of 105531607 is about 472.5642356423.

The spelling of 105531607 in words is "one hundred five million, five hundred thirty-one thousand, six hundred seven".