7003963 has 2 divisors, whose sum is σ = 7003964. Its totient is φ = 7003962.

The previous prime is 7003961. The next prime is 7003991. The reversal of 7003963 is 3693007.

It is an a-pointer prime, because the next prime (7003991) can be obtained adding 7003963 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7003963 - 2¹ = 7003961 is a prime.

Together with 7003961, it forms a pair of twin primes.

It is the 2647-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (7003961) by changing a digit.

It is a nontrivial repunit in base 2646.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3501981 + 3501982.

It is an arithmetic number, because the mean of its divisors is an integer number (3501982).

Almost surely, 2^7003963 is an apocalyptic number.

7003963 is a deficient number, since it is larger than the sum of its proper divisors (1).

7003963 is an equidigital number, since it uses as much as digits as its factorization.

7003963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 7003963 is about 2646.5001416966. The cubic root of 7003963 is about 191.3292112110.

The spelling of 7003963 in words is "seven million, three thousand, nine hundred sixty-three".