1426331 has 2 divisors, whose sum is σ = 1426332. Its totient is φ = 1426330.

The previous prime is 1426303. The next prime is 1426343. The reversal of 1426331 is 1336241.

It is a strong prime.

It is an emirp because it is prime and its reverse (1336241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426331 is a prime.

It is a super-2 number, since 2×1426331² = 4068840243122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1426301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713165 + 713166.

It is an arithmetic number, because the mean of its divisors is an integer number (713166).

2^1426331 is an apocalyptic number.

1426331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426331 is an equidigital number, since it uses as much as digits as its factorization.

1426331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 1426331 is about 1194.2910030642. The cubic root of 1426331 is about 112.5658807538.

The spelling of 1426331 in words is "one million, four hundred twenty-six thousand, three hundred thirty-one".