2563015 has 32 divisors (see below), whose sum is σ = 3902976. Its totient is φ = 1572480.

The previous prime is 2563013. The next prime is 2563063. The reversal of 2563015 is 5103652.

It is a happy number.

It is not a de Polignac number, because 2563015 - 2¹ = 2563013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19500 + ... + 19630.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

2^2563015 is an apocalyptic number.

2563015 is a deficient number, since it is larger than the sum of its proper divisors (1339961).

2563015 is a wasteful number, since it uses less digits than its factorization.

2563015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2563015 is about 1600.9419102516. The cubic root of 2563015 is about 136.8517585970.

Adding to 2563015 its reverse (5103652), we get a palindrome (7666667).

The spelling of 2563015 in words is "two million, five hundred sixty-three thousand, fifteen".