1356259 has 2 divisors, whose sum is σ = 1356260. Its totient is φ = 1356258.

The previous prime is 1356253. The next prime is 1356269. The reversal of 1356259 is 9526531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1356259 - 2⁵ = 1356227 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1356259.

It is not a weakly prime, because it can be changed into another prime (1356253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678129 + 678130.

It is an arithmetic number, because the mean of its divisors is an integer number (678130).

2^1356259 is an apocalyptic number.

1356259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356259 is an equidigital number, since it uses as much as digits as its factorization.

1356259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The square root of 1356259 is about 1164.5853339279. The cubic root of 1356259 is about 110.6914842891.

The spelling of 1356259 in words is "one million, three hundred fifty-six thousand, two hundred fifty-nine".