1024591 has 2 divisors, whose sum is σ = 1024592. Its totient is φ = 1024590.

The previous prime is 1024589. The next prime is 1024609. The reversal of 1024591 is 1954201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1024591 - 2¹ = 1024589 is a prime.

Together with 1024589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1024511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512295 + 512296.

It is an arithmetic number, because the mean of its divisors is an integer number (512296).

2^1024591 is an apocalyptic number.

1024591 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024591 is an equidigital number, since it uses as much as digits as its factorization.

1024591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1024591 is about 1012.2208257095. The cubic root of 1024591 is about 100.8130712347.

Adding to 1024591 its reverse (1954201), we get a palindrome (2978792).

It can be divided in two parts, 10245 and 91, that multiplied together give a triangular number (932295 = T₁₃₆₅).

The spelling of 1024591 in words is "one million, twenty-four thousand, five hundred ninety-one".