10070891 has 2 divisors, whose sum is σ = 10070892. Its totient is φ = 10070890.

The previous prime is 10070869. The next prime is 10070897. The reversal of 10070891 is 19807001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10070891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10070891.

It is not a weakly prime, because it can be changed into another prime (10070897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5035445 + 5035446.

It is an arithmetic number, because the mean of its divisors is an integer number (5035446).

Almost surely, 2^10070891 is an apocalyptic number.

10070891 is a deficient number, since it is larger than the sum of its proper divisors (1).

10070891 is an equidigital number, since it uses as much as digits as its factorization.

10070891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 10070891 is about 3173.4667163845. The cubic root of 10070891 is about 215.9513707971.

Adding to 10070891 its reverse (19807001), we get a palindrome (29877892).

The spelling of 10070891 in words is "ten million, seventy thousand, eight hundred ninety-one".