2655001061 has 4 divisors (see below), whose sum is σ = 2811177612. Its totient is φ = 2498824512.

The previous prime is 2655001033. The next prime is 2655001087. The reversal of 2655001061 is 1601005562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1570616161 + 1084384900 = 39631^2 + 32930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655001061 - 2²² = 2650806757 is a prime.

It is a super-2 number, since 2×2655001061² = 14098061267822251442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2655001061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655001031) 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, 78088250 + ... + 78088283.

It is an arithmetic number, because the mean of its divisors is an integer number (702794403).

Almost surely, 2^2655001061 is an apocalyptic number.

It is an amenable number.

2655001061 is a deficient number, since it is larger than the sum of its proper divisors (156176551).

2655001061 is a wasteful number, since it uses less digits than its factorization.

2655001061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156176550.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2655001061 is about 51526.7024075867. The cubic root of 2655001061 is about 1384.6974730548.

The spelling of 2655001061 in words is "two billion, six hundred fifty-five million, one thousand, sixty-one".