101995567 has 2 divisors, whose sum is σ = 101995568. Its totient is φ = 101995566.

The previous prime is 101995561. The next prime is 101995571. The reversal of 101995567 is 765599101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101995567 - 2¹¹ = 101993519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101995561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50997783 + 50997784.

It is an arithmetic number, because the mean of its divisors is an integer number (50997784).

Almost surely, 2^101995567 is an apocalyptic number.

101995567 is a deficient number, since it is larger than the sum of its proper divisors (1).

101995567 is an equidigital number, since it uses as much as digits as its factorization.

101995567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 43.

The square root of 101995567 is about 10099.2854697746. The cubic root of 101995567 is about 467.2261039684.

The spelling of 101995567 in words is "one hundred one million, nine hundred ninety-five thousand, five hundred sixty-seven".