10461991 has 2 divisors, whose sum is σ = 10461992. Its totient is φ = 10461990.

The previous prime is 10461977. The next prime is 10462031. The reversal of 10461991 is 19916401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10461991 - 2⁷ = 10461863 is a prime.

It is a Chen prime.

It is the 3235-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10461961) by changing a digit.

It is a nontrivial repunit in base 3234.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5230995 + 5230996.

It is an arithmetic number, because the mean of its divisors is an integer number (5230996).

Almost surely, 2^10461991 is an apocalyptic number.

10461991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10461991 is an equidigital number, since it uses as much as digits as its factorization.

10461991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 10461991 is about 3234.5001159375. The cubic root of 10461991 is about 218.7114134932.

The spelling of 10461991 in words is "ten million, four hundred sixty-one thousand, nine hundred ninety-one".