1355659 has 2 divisors, whose sum is σ = 1355660. Its totient is φ = 1355658.

The previous prime is 1355657. The next prime is 1355677. The reversal of 1355659 is 9565531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1355659 - 2¹ = 1355657 is a prime.

It is a super-2 number, since 2×1355659² = 3675622648562, which contains 22 as substring.

Together with 1355657, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1355657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677829 + 677830.

It is an arithmetic number, because the mean of its divisors is an integer number (677830).

2^1355659 is an apocalyptic number.

1355659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355659 is an equidigital number, since it uses as much as digits as its factorization.

1355659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20250, while the sum is 34.

The square root of 1355659 is about 1164.3277030115. The cubic root of 1355659 is about 110.6751588216.

The spelling of 1355659 in words is "one million, three hundred fifty-five thousand, six hundred fifty-nine".