1364287 has 2 divisors, whose sum is σ = 1364288. Its totient is φ = 1364286.

The previous prime is 1364263. The next prime is 1364299. The reversal of 1364287 is 7824631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1364287 - 2¹⁹ = 839999 is a prime.

It is a super-2 number, since 2×1364287² = 3722558036738, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 3³ + 6² + 4⁷ + 2¹⁹ + 8 + 7⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682143 + 682144.

It is an arithmetic number, because the mean of its divisors is an integer number (682144).

2^1364287 is an apocalyptic number.

1364287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364287 is an equidigital number, since it uses as much as digits as its factorization.

1364287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 1364287 is about 1168.0269688667. The cubic root of 1364287 is about 110.9094573172.

The spelling of 1364287 in words is "one million, three hundred sixty-four thousand, two hundred eighty-seven".