2563450 has 24 divisors (see below), whose sum is σ = 4812192. Its totient is φ = 1015920.

The previous prime is 2563441. The next prime is 2563453. The reversal of 2563450 is 543652.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2563453) 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 11 ways as a sum of consecutive naturals, for example, 8197 + ... + 8503.

It is an arithmetic number, because the mean of its divisors is an integer number (200508).

2^2563450 is an apocalyptic number.

2563450 is a deficient number, since it is larger than the sum of its proper divisors (2248742).

2563450 is a wasteful number, since it uses less digits than its factorization.

2563450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2563450 is about 1601.0777620091. The cubic root of 2563450 is about 136.8595004099.

The spelling of 2563450 in words is "two million, five hundred sixty-three thousand, four hundred fifty".