10391061 has 4 divisors (see below), whose sum is σ = 13854752. Its totient is φ = 6927372.

The previous prime is 10391057. The next prime is 10391071. The reversal of 10391061 is 16019301.

It is a happy number.

10391061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10391061 - 2² = 10391057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10391041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731841 + ... + 1731846.

It is an arithmetic number, because the mean of its divisors is an integer number (3463688).

Almost surely, 2^10391061 is an apocalyptic number.

It is an amenable number.

10391061 is a deficient number, since it is larger than the sum of its proper divisors (3463691).

10391061 is an equidigital number, since it uses as much as digits as its factorization.

10391061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463690.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 10391061 is about 3223.5168682667. The cubic root of 10391061 is about 218.2160204746.

The spelling of 10391061 in words is "ten million, three hundred ninety-one thousand, sixty-one".