1073491 has 2 divisors, whose sum is σ = 1073492. Its totient is φ = 1073490.

The previous prime is 1073461. The next prime is 1073507. The reversal of 1073491 is 1943701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1073491 - 2¹¹ = 1071443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1073411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536745 + 536746.

It is an arithmetic number, because the mean of its divisors is an integer number (536746).

2^1073491 is an apocalyptic number.

1073491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073491 is an equidigital number, since it uses as much as digits as its factorization.

1073491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1073491 is about 1036.0941076949. The cubic root of 1073491 is about 102.3920258988.

The spelling of 1073491 in words is "one million, seventy-three thousand, four hundred ninety-one".