105297631 has 2 divisors, whose sum is σ = 105297632. Its totient is φ = 105297630.

The previous prime is 105297559. The next prime is 105297641. The reversal of 105297631 is 136792501.

It is a strong prime.

It is an emirp because it is prime and its reverse (136792501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105297631 - 2⁷ = 105297503 is a prime.

It is a super-2 number, since 2×105297631² = 22175182188424322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105297641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52648815 + 52648816.

It is an arithmetic number, because the mean of its divisors is an integer number (52648816).

Almost surely, 2^105297631 is an apocalyptic number.

105297631 is a deficient number, since it is larger than the sum of its proper divisors (1).

105297631 is an equidigital number, since it uses as much as digits as its factorization.

105297631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 105297631 is about 10261.4633946626. The cubic root of 105297631 is about 472.2147336995.

The spelling of 105297631 in words is "one hundred five million, two hundred ninety-seven thousand, six hundred thirty-one".