2654725861 has 2 divisors, whose sum is σ = 2654725862. Its totient is φ = 2654725860.

The previous prime is 2654725841. The next prime is 2654725877. The reversal of 2654725861 is 1685274562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2632305636 + 22420225 = 51306^2 + 4735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2654725861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2654725841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327362930 + 1327362931.

It is an arithmetic number, because the mean of its divisors is an integer number (1327362931).

Almost surely, 2^2654725861 is an apocalyptic number.

It is an amenable number.

2654725861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2654725861 is an equidigital number, since it uses as much as digits as its factorization.

2654725861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 46.

The square root of 2654725861 is about 51524.0318783381. The cubic root of 2654725861 is about 1384.6496285150.

The spelling of 2654725861 in words is "two billion, six hundred fifty-four million, seven hundred twenty-five thousand, eight hundred sixty-one".