654657013 has 2 divisors, whose sum is σ = 654657014. Its totient is φ = 654657012.

The previous prime is 654657011. The next prime is 654657023. The reversal of 654657013 is 310756456.

654657013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 632170449 + 22486564 = 25143^2 + 4742^2 .

It is a cyclic number.

It is not a de Polignac number, because 654657013 - 2¹ = 654657011 is a prime.

Together with 654657011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654657011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327328506 + 327328507.

It is an arithmetic number, because the mean of its divisors is an integer number (327328507).

Almost surely, 2^654657013 is an apocalyptic number.

It is an amenable number.

654657013 is a deficient number, since it is larger than the sum of its proper divisors (1).

654657013 is an equidigital number, since it uses as much as digits as its factorization.

654657013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 654657013 is about 25586.2661011723. The cubic root of 654657013 is about 868.3029467186.

The spelling of 654657013 in words is "six hundred fifty-four million, six hundred fifty-seven thousand, thirteen".