1562243 has 2 divisors, whose sum is σ = 1562244. Its totient is φ = 1562242.

The previous prime is 1562219. The next prime is 1562263. The reversal of 1562243 is 3422651.

It is a strong prime.

It is an emirp because it is prime and its reverse (3422651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1562243 - 2¹⁶ = 1496707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1562263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781121 + 781122.

It is an arithmetic number, because the mean of its divisors is an integer number (781122).

2^1562243 is an apocalyptic number.

1562243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1562243 is an equidigital number, since it uses as much as digits as its factorization.

1562243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 1562243 is about 1249.8971957725. The cubic root of 1562243 is about 116.0333584204.

Adding to 1562243 its reverse (3422651), we get a palindrome (4984894).

The spelling of 1562243 in words is "one million, five hundred sixty-two thousand, two hundred forty-three".