106605731 has 2 divisors, whose sum is σ = 106605732. Its totient is φ = 106605730.

The previous prime is 106605727. The next prime is 106605767. The reversal of 106605731 is 137506601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106605731 - 2² = 106605727 is a prime.

It is a super-2 number, since 2×106605731² = 22729563764088722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 106605694 and 106605703.

It is not a weakly prime, because it can be changed into another prime (106605791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53302865 + 53302866.

It is an arithmetic number, because the mean of its divisors is an integer number (53302866).

Almost surely, 2^106605731 is an apocalyptic number.

106605731 is a deficient number, since it is larger than the sum of its proper divisors (1).

106605731 is an equidigital number, since it uses as much as digits as its factorization.

106605731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 106605731 is about 10325.0051331706. The cubic root of 106605731 is about 474.1621143692.

The spelling of 106605731 in words is "one hundred six million, six hundred five thousand, seven hundred thirty-one".