1382543 has 2 divisors, whose sum is σ = 1382544. Its totient is φ = 1382542.

The previous prime is 1382533. The next prime is 1382551. The reversal of 1382543 is 3452831.

It is a strong prime.

It is an emirp because it is prime and its reverse (3452831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1382543 - 2⁴ = 1382527 is a prime.

It is a super-2 number, since 2×1382543² = 3822850293698, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1382503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691271 + 691272.

It is an arithmetic number, because the mean of its divisors is an integer number (691272).

2^1382543 is an apocalyptic number.

1382543 is the 629-th centered heptagonal number.

1382543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382543 is an equidigital number, since it uses as much as digits as its factorization.

1382543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 1382543 is about 1175.8158869483. The cubic root of 1382543 is about 111.4019730039.

The spelling of 1382543 in words is "one million, three hundred eighty-two thousand, five hundred forty-three".