2351863 has 2 divisors, whose sum is σ = 2351864. Its totient is φ = 2351862.

The previous prime is 2351857. The next prime is 2351891. The reversal of 2351863 is 3681532.

It is an a-pointer prime, because the next prime (2351891) can be obtained adding 2351863 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2351863 - 2⁹ = 2351351 is a prime.

2351863 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2351803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1175931 + 1175932.

It is an arithmetic number, because the mean of its divisors is an integer number (1175932).

2^2351863 is an apocalyptic number.

2351863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2351863 is an equidigital number, since it uses as much as digits as its factorization.

2351863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 2351863 is about 1533.5784948936. The cubic root of 2351863 is about 132.9854130647.

The spelling of 2351863 in words is "two million, three hundred fifty-one thousand, eight hundred sixty-three".