1086257 has 2 divisors, whose sum is σ = 1086258. Its totient is φ = 1086256.

The previous prime is 1086251. The next prime is 1086259. The reversal of 1086257 is 7526801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790321 + 295936 = 889^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 1086257 - 2⁶ = 1086193 is a prime.

Together with 1086259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1086251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543128 + 543129.

It is an arithmetic number, because the mean of its divisors is an integer number (543129).

2^1086257 is an apocalyptic number.

It is an amenable number.

1086257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086257 is an equidigital number, since it uses as much as digits as its factorization.

1086257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1086257 is about 1042.2365374520. The cubic root of 1086257 is about 102.7963109397.

The spelling of 1086257 in words is "one million, eighty-six thousand, two hundred fifty-seven".