1364381 has 2 divisors, whose sum is σ = 1364382. Its totient is φ = 1364380.

The previous prime is 1364359. The next prime is 1364399. The reversal of 1364381 is 1834631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 62500 = 1141^2 + 250^2 .

It is an emirp because it is prime and its reverse (1834631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1364381 - 2¹⁸ = 1102237 is a prime.

It is a super-2 number, since 2×1364381² = 3723071026322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1364381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1364351) 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, 682190 + 682191.

It is an arithmetic number, because the mean of its divisors is an integer number (682191).

2^1364381 is an apocalyptic number.

It is an amenable number.

1364381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364381 is an equidigital number, since it uses as much as digits as its factorization.

1364381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 1364381 is about 1168.0672069706. The cubic root of 1364381 is about 110.9120044962.

The spelling of 1364381 in words is "one million, three hundred sixty-four thousand, three hundred eighty-one".