654313619 has 2 divisors, whose sum is σ = 654313620. Its totient is φ = 654313618.

The previous prime is 654313613. The next prime is 654313687. The reversal of 654313619 is 916313456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654313619 - 2⁴ = 654313603 is a prime.

It is a super-2 number, since 2×654313619² = 856252624017754322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (654313613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327156809 + 327156810.

It is an arithmetic number, because the mean of its divisors is an integer number (327156810).

Almost surely, 2^654313619 is an apocalyptic number.

654313619 is a deficient number, since it is larger than the sum of its proper divisors (1).

654313619 is an equidigital number, since it uses as much as digits as its factorization.

654313619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 654313619 is about 25579.5547068357. The cubic root of 654313619 is about 868.1511001968.

The spelling of 654313619 in words is "six hundred fifty-four million, three hundred thirteen thousand, six hundred nineteen".