1432591 has 2 divisors, whose sum is σ = 1432592. Its totient is φ = 1432590.

The previous prime is 1432589. The next prime is 1432621. The reversal of 1432591 is 1952341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1432591 - 2¹ = 1432589 is a prime.

Together with 1432589, it forms a pair of twin primes.

1432591 is a lucky number.

It is equal to p₁₀₉₃₉₃ and since 1432591 and 109393 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1432511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716295 + 716296.

It is an arithmetic number, because the mean of its divisors is an integer number (716296).

2^1432591 is an apocalyptic number.

1432591 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432591 is an equidigital number, since it uses as much as digits as its factorization.

1432591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 1432591 is about 1196.9089355502. The cubic root of 1432591 is about 112.7303199165.

The spelling of 1432591 in words is "one million, four hundred thirty-two thousand, five hundred ninety-one".