1602943 has 2 divisors, whose sum is σ = 1602944. Its totient is φ = 1602942.

The previous prime is 1602941. The next prime is 1602949. The reversal of 1602943 is 3492061.

It is a weak prime.

It is an emirp because it is prime and its reverse (3492061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1602943 - 2¹ = 1602941 is a prime.

It is a super-2 number, since 2×1602943² = 5138852522498, which contains 22 as substring.

Together with 1602941, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 1 + 6 + 0 + 2¹¹ + 9⁴ + 4 + 3¹³ .

1602943 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1602941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801471 + 801472.

It is an arithmetic number, because the mean of its divisors is an integer number (801472).

2^1602943 is an apocalyptic number.

1602943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602943 is an equidigital number, since it uses as much as digits as its factorization.

1602943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1602943 is about 1266.0738525062. The cubic root of 1602943 is about 117.0323771403.

The spelling of 1602943 in words is "one million, six hundred two thousand, nine hundred forty-three".