106193491 has 2 divisors, whose sum is σ = 106193492. Its totient is φ = 106193490.

The previous prime is 106193471. The next prime is 106193501. The reversal of 106193491 is 194391601.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (194391601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106193491 - 2⁷ = 106193363 is a prime.

It is a super-2 number, since 2×106193491² = 22554115061534162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106193401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53096745 + 53096746.

It is an arithmetic number, because the mean of its divisors is an integer number (53096746).

Almost surely, 2^106193491 is an apocalyptic number.

106193491 is a deficient number, since it is larger than the sum of its proper divisors (1).

106193491 is an equidigital number, since it uses as much as digits as its factorization.

106193491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 106193491 is about 10305.0226103585. The cubic root of 106193491 is about 473.5501363601.

The spelling of 106193491 in words is "one hundred six million, one hundred ninety-three thousand, four hundred ninety-one".