2061560 has 16 divisors (see below), whose sum is σ = 4638600. Its totient is φ = 824608.

The previous prime is 2061551. The next prime is 2061583. The reversal of 2061560 is 651602.

It is a super-3 number, since 3×2061560³ = 26285073274333248000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25730 + ... + 25809.

2^2061560 is an apocalyptic number.

2061560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061560 is an abundant number, since it is smaller than the sum of its proper divisors (2577040).

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

2061560 is a wasteful number, since it uses less digits than its factorization.

2061560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51550 (or 51546 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2061560 is about 1435.8133583443. The cubic root of 2061560 is about 127.2717433443.

The spelling of 2061560 in words is "two million, sixty-one thousand, five hundred sixty".