2611560 has 64 divisors (see below), whose sum is σ = 8956800. Its totient is φ = 596736.

The previous prime is 2611559. The next prime is 2611573. The reversal of 2611560 is 651162.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 715 + ... + 2394.

It is an arithmetic number, because the mean of its divisors is an integer number (139950).

2^2611560 is an apocalyptic number.

2611560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2611560 is an abundant number, since it is smaller than the sum of its proper divisors (6345240).

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

2611560 is a wasteful number, since it uses less digits than its factorization.

2611560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2611560 is about 1616.0321778975. The cubic root of 2611560 is about 137.7103776784.

The spelling of 2611560 in words is "two million, six hundred eleven thousand, five hundred sixty".