662004043 has 2 divisors, whose sum is σ = 662004044. Its totient is φ = 662004042.

The previous prime is 662004029. The next prime is 662004067. The reversal of 662004043 is 340400266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662004043 - 2²⁵ = 628449611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 662003999 and 662004017.

It is not a weakly prime, because it can be changed into another prime (662004073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331002021 + 331002022.

It is an arithmetic number, because the mean of its divisors is an integer number (331002022).

Almost surely, 2^662004043 is an apocalyptic number.

662004043 is a deficient number, since it is larger than the sum of its proper divisors (1).

662004043 is an equidigital number, since it uses as much as digits as its factorization.

662004043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 662004043 is about 25729.4392282459. The cubic root of 662004043 is about 871.5391098041.

The spelling of 662004043 in words is "six hundred sixty-two million, four thousand, forty-three".