10415891 has 2 divisors, whose sum is σ = 10415892. Its totient is φ = 10415890.

The previous prime is 10415879. The next prime is 10415893. The reversal of 10415891 is 19851401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10415891 is a prime.

Together with 10415893, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₆₉₀₃₇₄ and since 10415891 and 690374 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (10415893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5207945 + 5207946.

It is an arithmetic number, because the mean of its divisors is an integer number (5207946).

Almost surely, 2^10415891 is an apocalyptic number.

10415891 is a deficient number, since it is larger than the sum of its proper divisors (1).

10415891 is an equidigital number, since it uses as much as digits as its factorization.

10415891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 10415891 is about 3227.3659538391. The cubic root of 10415891 is about 218.3896951915.

The spelling of 10415891 in words is "ten million, four hundred fifteen thousand, eight hundred ninety-one".