2651568 has 40 divisors (see below), whose sum is σ = 7039728. Its totient is φ = 859392.

The previous prime is 2651549. The next prime is 2651569. The reversal of 2651568 is 8651562.

It is not an unprimeable number, because it can be changed into a prime (2651569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030 + ... + 2522.

2^2651568 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 2651568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3519864).

2651568 is an abundant number, since it is smaller than the sum of its proper divisors (4388160).

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

2651568 is a wasteful number, since it uses less digits than its factorization.

2651568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1535 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 2651568 is about 1628.3635957611. The cubic root of 2651568 is about 138.4100385871.

The spelling of 2651568 in words is "two million, six hundred fifty-one thousand, five hundred sixty-eight".