654115673 has 2 divisors, whose sum is σ = 654115674. Its totient is φ = 654115672.

The previous prime is 654115669. The next prime is 654115691. The reversal of 654115673 is 376511456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546951769 + 107163904 = 23387^2 + 10352^2 .

It is a cyclic number.

It is not a de Polignac number, because 654115673 - 2² = 654115669 is a prime.

It is equal to p_33996404 and since 654115673 and 33996404 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (654115633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327057836 + 327057837.

It is an arithmetic number, because the mean of its divisors is an integer number (327057837).

Almost surely, 2^654115673 is an apocalyptic number.

It is an amenable number.

654115673 is a deficient number, since it is larger than the sum of its proper divisors (1).

654115673 is an equidigital number, since it uses as much as digits as its factorization.

654115673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 654115673 is about 25575.6851912124. The cubic root of 654115673 is about 868.0635456638.

The spelling of 654115673 in words is "six hundred fifty-four million, one hundred fifteen thousand, six hundred seventy-three".