2513780 has 48 divisors (see below), whose sum is σ = 5617920. Its totient is φ = 943488.

The previous prime is 2513761. The next prime is 2513801. The reversal of 2513780 is 873152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31781 + ... + 31859.

It is an arithmetic number, because the mean of its divisors is an integer number (117040).

2^2513780 is an apocalyptic number.

2513780 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 2513780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808960).

2513780 is an abundant number, since it is smaller than the sum of its proper divisors (3104140).

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

2513780 is a wasteful number, since it uses less digits than its factorization.

2513780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2513780 is about 1585.4904603939. The cubic root of 2513780 is about 135.9697885603.

The spelling of 2513780 in words is "two million, five hundred thirteen thousand, seven hundred eighty".