654049601 has 2 divisors, whose sum is σ = 654049602. Its totient is φ = 654049600.

The previous prime is 654049573. The next prime is 654049607. The reversal of 654049601 is 106940456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522351025 + 131698576 = 22855^2 + 11476^2 .

It is a cyclic number.

It is not a de Polignac number, because 654049601 - 2²⁶ = 586940737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (654049607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327024800 + 327024801.

It is an arithmetic number, because the mean of its divisors is an integer number (327024801).

Almost surely, 2^654049601 is an apocalyptic number.

It is an amenable number.

654049601 is a deficient number, since it is larger than the sum of its proper divisors (1).

654049601 is an equidigital number, since it uses as much as digits as its factorization.

654049601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 654049601 is about 25574.3934629934. The cubic root of 654049601 is about 868.0343170792.

The spelling of 654049601 in words is "six hundred fifty-four million, forty-nine thousand, six hundred one".