2563512 has 32 divisors (see below), whose sum is σ = 7324800. Its totient is φ = 732384.

The previous prime is 2563507. The next prime is 2563523. The reversal of 2563512 is 2153652.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 2¹⁰ + 5⁶ + 6² + 3¹⁰ + 5⁸ + 1 + 2²¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7462 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (228900).

2^2563512 is an apocalyptic number.

It is an amenable number.

2563512 is an abundant number, since it is smaller than the sum of its proper divisors (4761288).

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

2563512 is a wasteful number, since it uses less digits than its factorization.

2563512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15275 (or 15271 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 2563512 is about 1601.0971238498. The cubic root of 2563512 is about 136.8606037693.

The spelling of 2563512 in words is "two million, five hundred sixty-three thousand, five hundred twelve".