654502897 has 2 divisors, whose sum is σ = 654502898. Its totient is φ = 654502896.

The previous prime is 654502853. The next prime is 654502909. The reversal of 654502897 is 798205456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347412321 + 307090576 = 18639^2 + 17524^2 .

It is a cyclic number.

It is not a de Polignac number, because 654502897 - 2²³ = 646114289 is a prime.

It is not a weakly prime, because it can be changed into another prime (654502837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327251448 + 327251449.

It is an arithmetic number, because the mean of its divisors is an integer number (327251449).

Almost surely, 2^654502897 is an apocalyptic number.

It is an amenable number.

654502897 is a deficient number, since it is larger than the sum of its proper divisors (1).

654502897 is an equidigital number, since it uses as much as digits as its factorization.

654502897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 654502897 is about 25583.2542300623. The cubic root of 654502897 is about 868.2348042274.

The spelling of 654502897 in words is "six hundred fifty-four million, five hundred two thousand, eight hundred ninety-seven".