2563488 has 120 divisors (see below), whose sum is σ = 8049888. Its totient is φ = 798336.

The previous prime is 2563453. The next prime is 2563489. The reversal of 2563488 is 8843652.

It is a super-2 number, since 2×2563488² = 13142941452288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2563489) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59595 + ... + 59637.

2^2563488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2563488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4024944).

2563488 is an abundant number, since it is smaller than the sum of its proper divisors (5486400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2563488 is a wasteful number, since it uses less digits than its factorization.

2563488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 71 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2563488 is about 1601.0896289715. The cubic root of 2563488 is about 136.8601766646.

The spelling of 2563488 in words is "two million, five hundred sixty-three thousand, four hundred eighty-eight".