10100291 has 2 divisors, whose sum is σ = 10100292. Its totient is φ = 10100290.

The previous prime is 10100287. The next prime is 10100333. The reversal of 10100291 is 19200101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10100291 - 2² = 10100287 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050145 + 5050146.

It is an arithmetic number, because the mean of its divisors is an integer number (5050146).

Almost surely, 2^10100291 is an apocalyptic number.

10100291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100291 is an equidigital number, since it uses as much as digits as its factorization.

10100291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 10100291 is about 3178.0954988798. The cubic root of 10100291 is about 216.1613092593.

Adding to 10100291 its reverse (19200101), we get a palindrome (29300392).

It can be divided in two parts, 10100 and 291, that multiplied together give a triangular number (2939100 = T₂₄₂₄).

The spelling of 10100291 in words is "ten million, one hundred thousand, two hundred ninety-one".