1461791 has 2 divisors, whose sum is σ = 1461792.
Its totient is φ = 1461790.
The previous prime is 1461781. The next prime is 1461797. The reversal of 1461791 is 1971641.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1461791 - 214 = 1445407 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1461797) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730895 + 730896.
It is an arithmetic number, because the mean of its divisors is an integer number (730896).
21461791 is an apocalyptic number.
1461791 is a deficient number, since it is larger than the sum of its proper divisors (1).
1461791 is an equidigital number, since it uses as much as digits as its factorization.
1461791 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1512, while the sum is 29.
The square root of 1461791 is about 1209.0454912864.
The cubic root of 1461791 is about 113.4910884605.
The spelling of 1461791 in words is "one million, four hundred sixty-one thousand, seven hundred ninety-one".