2076725561 has 4 divisors (see below), whose sum is σ = 2077702224. Its totient is φ = 2075748900.

The previous prime is 2076725551. The next prime is 2076725569. The reversal of 2076725561 is 1655276702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1655276702 = 2 ⋅827638351.

It is a cyclic number.

It is not a de Polignac number, because 2076725561 - 2¹⁰ = 2076724537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2076725569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485135 + ... + 489396.

It is an arithmetic number, because the mean of its divisors is an integer number (519425556).

Almost surely, 2^2076725561 is an apocalyptic number.

It is an amenable number.

2076725561 is a deficient number, since it is larger than the sum of its proper divisors (976663).

2076725561 is an equidigital number, since it uses as much as digits as its factorization.

2076725561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976662.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 2076725561 is about 45571.1044522733. The cubic root of 2076725561 is about 1275.8306643423.

The spelling of 2076725561 in words is "two billion, seventy-six million, seven hundred twenty-five thousand, five hundred sixty-one".