3215963 has 2 divisors, whose sum is σ = 3215964. Its totient is φ = 3215962.

The previous prime is 3215939. The next prime is 3215977. The reversal of 3215963 is 3695123.

It is a strong prime.

It is an emirp because it is prime and its reverse (3695123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3215963 - 2⁶ = 3215899 is a prime.

It is not a weakly prime, because it can be changed into another prime (3215903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607981 + 1607982.

It is an arithmetic number, because the mean of its divisors is an integer number (1607982).

Almost surely, 2^3215963 is an apocalyptic number.

3215963 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215963 is an equidigital number, since it uses as much as digits as its factorization.

3215963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 29.

The square root of 3215963 is about 1793.3106256307. The cubic root of 3215963 is about 147.6058877703.

The spelling of 3215963 in words is "three million, two hundred fifteen thousand, nine hundred sixty-three".