654593057 has 2 divisors, whose sum is σ = 654593058. Its totient is φ = 654593056.

The previous prime is 654593047. The next prime is 654593063. The reversal of 654593057 is 750395456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346555456 + 308037601 = 18616^2 + 17551^2 .

It is a cyclic number.

It is not a de Polignac number, because 654593057 - 2¹⁸ = 654330913 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 654592999 and 654593017.

It is not a weakly prime, because it can be changed into another prime (654593047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327296528 + 327296529.

It is an arithmetic number, because the mean of its divisors is an integer number (327296529).

Almost surely, 2^654593057 is an apocalyptic number.

It is an amenable number.

654593057 is a deficient number, since it is larger than the sum of its proper divisors (1).

654593057 is an equidigital number, since it uses as much as digits as its factorization.

654593057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 654593057 is about 25585.0162595219. The cubic root of 654593057 is about 868.2746698293.

The spelling of 654593057 in words is "six hundred fifty-four million, five hundred ninety-three thousand, fifty-seven".