100491283 has 2 divisors, whose sum is σ = 100491284. Its totient is φ = 100491282.

The previous prime is 100491211. The next prime is 100491317. The reversal of 100491283 is 382194001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100491283 is a prime.

It is not a weakly prime, because it can be changed into another prime (100491683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50245641 + 50245642.

It is an arithmetic number, because the mean of its divisors is an integer number (50245642).

Almost surely, 2^100491283 is an apocalyptic number.

100491283 is a deficient number, since it is larger than the sum of its proper divisors (1).

100491283 is an equidigital number, since it uses as much as digits as its factorization.

100491283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 100491283 is about 10024.5340540097. The cubic root of 100491283 is about 464.9177532108.

The spelling of 100491283 in words is "one hundred million, four hundred ninety-one thousand, two hundred eighty-three".