2651520 has 64 divisors (see below), whose sum is σ = 8457840. Its totient is φ = 706560.

The previous prime is 2651513. The next prime is 2651549. The reversal of 2651520 is 251562.

2651520 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

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, 1230 + ... + 2610.

2^2651520 is an apocalyptic number.

2651520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4228920).

2651520 is an abundant number, since it is smaller than the sum of its proper divisors (5806320).

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

2651520 is a wasteful number, since it uses less digits than its factorization.

2651520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2651520 is about 1628.3488569714. The cubic root of 2651520 is about 138.4092033930.

The spelling of 2651520 in words is "two million, six hundred fifty-one thousand, five hundred twenty".