1359857 has 2 divisors, whose sum is σ = 1359858. Its totient is φ = 1359856.

The previous prime is 1359833. The next prime is 1359859. The reversal of 1359857 is 7589531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776161 + 583696 = 881^2 + 764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1359857 is a prime.

It is a super-2 number, since 2×1359857² = 3698422120898, which contains 22 as substring.

Together with 1359859, it forms a pair of twin primes.

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 1359857.

It is not a weakly prime, because it can be changed into another prime (1359859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679928 + 679929.

It is an arithmetic number, because the mean of its divisors is an integer number (679929).

2^1359857 is an apocalyptic number.

It is an amenable number.

1359857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1359857 is an equidigital number, since it uses as much as digits as its factorization.

1359857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 38.

The square root of 1359857 is about 1166.1290666131. The cubic root of 1359857 is about 110.7892818072.

The spelling of 1359857 in words is "one million, three hundred fifty-nine thousand, eight hundred fifty-seven".