2415863 has 2 divisors, whose sum is σ = 2415864. Its totient is φ = 2415862.

The previous prime is 2415859. The next prime is 2415871. The reversal of 2415863 is 3685142.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2415863 - 2² = 2415859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2415893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1207931 + 1207932.

It is an arithmetic number, because the mean of its divisors is an integer number (1207932).

2^2415863 is an apocalyptic number.

2415863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2415863 is an equidigital number, since it uses as much as digits as its factorization.

2415863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 2415863 is about 1554.3046676891. The cubic root of 2415863 is about 134.1809206894.

The spelling of 2415863 in words is "two million, four hundred fifteen thousand, eight hundred sixty-three".