1642363 has 2 divisors, whose sum is σ = 1642364. Its totient is φ = 1642362.

The previous prime is 1642339. The next prime is 1642373. The reversal of 1642363 is 3632461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1642363 - 2¹⁷ = 1511291 is a prime.

It is a d-powerful number, because it can be written as 1 + 6⁴ + 4 + 2 + 3⁴ + 6⁶ + 3¹³ .

1642363 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1642313) 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, 821181 + 821182.

It is an arithmetic number, because the mean of its divisors is an integer number (821182).

2^1642363 is an apocalyptic number.

1642363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1642363 is an equidigital number, since it uses as much as digits as its factorization.

1642363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 1642363 is about 1281.5471118925. The cubic root of 1642363 is about 117.9839823130.

The spelling of 1642363 in words is "one million, six hundred forty-two thousand, three hundred sixty-three".