2054650261 has 16 divisors (see below), whose sum is σ = 2223728640. Its totient is φ = 1894184320.

The previous prime is 2054650259. The next prime is 2054650331. The reversal of 2054650261 is 1620564502.

It is a cyclic number.

It is not a de Polignac number, because 2054650261 - 2¹ = 2054650259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054650231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37500 + ... + 74266.

It is an arithmetic number, because the mean of its divisors is an integer number (138983040).

Almost surely, 2^2054650261 is an apocalyptic number.

It is an amenable number.

2054650261 is a deficient number, since it is larger than the sum of its proper divisors (169078379).

2054650261 is a wasteful number, since it uses less digits than its factorization.

2054650261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36884.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2054650261 is about 45328.2501427090. The cubic root of 2054650261 is about 1271.2939177967.

It can be divided in two parts, 20546 and 50261, that added together give a palindrome (70807).

The spelling of 2054650261 in words is "two billion, fifty-four million, six hundred fifty thousand, two hundred sixty-one".