1402543 has 2 divisors, whose sum is σ = 1402544. Its totient is φ = 1402542.

The previous prime is 1402529. The next prime is 1402547. The reversal of 1402543 is 3452041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1402543 - 2⁹ = 1402031 is a prime.

It is a d-powerful number, because it can be written as 1 + 4⁹ + 0 + 2¹⁵ + 5 + 4¹⁰ + 3¹⁰ .

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1402543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701271 + 701272.

It is an arithmetic number, because the mean of its divisors is an integer number (701272).

2^1402543 is an apocalyptic number.

1402543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402543 is an equidigital number, since it uses as much as digits as its factorization.

1402543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1402543 is about 1184.2900827078. The cubic root of 1402543 is about 111.9365871901.

Adding to 1402543 its reverse (3452041), we get a palindrome (4854584).

The spelling of 1402543 in words is "one million, four hundred two thousand, five hundred forty-three".