2613565457 has 2 divisors, whose sum is σ = 2613565458. Its totient is φ = 2613565456.

The previous prime is 2613565433. The next prime is 2613565481. The reversal of 2613565457 is 7545653162.

It is a happy number.

2613565457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2613565433) and next prime (2613565481).

It can be written as a sum of positive squares in only one way, i.e., 1950193921 + 663371536 = 44161^2 + 25756^2 .

It is a cyclic number.

It is not a de Polignac number, because 2613565457 - 2¹⁰ = 2613564433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2613567457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306782728 + 1306782729.

It is an arithmetic number, because the mean of its divisors is an integer number (1306782729).

Almost surely, 2^2613565457 is an apocalyptic number.

It is an amenable number.

2613565457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2613565457 is an equidigital number, since it uses as much as digits as its factorization.

2613565457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 44.

The square root of 2613565457 is about 51123.0423292668. The cubic root of 2613565457 is about 1377.4561863002.

The spelling of 2613565457 in words is "two billion, six hundred thirteen million, five hundred sixty-five thousand, four hundred fifty-seven".