654732574481 has 2 divisors, whose sum is σ = 654732574482. Its totient is φ = 654732574480.

The previous prime is 654732574423. The next prime is 654732574537. The reversal of 654732574481 is 184475237456.

It is a happy number.

It is an a-pointer prime, because the next prime (654732574537) can be obtained adding 654732574481 to its sum of digits (56).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362543677456 + 292188897025 = 602116^2 + 540545^2 .

It is a cyclic number.

It is not a de Polignac number, because 654732574481 - 2¹⁰ = 654732573457 is a prime.

It is a super-2 number, since 2×654732574481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (654732574381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327366287240 + 327366287241.

It is an arithmetic number, because the mean of its divisors is an integer number (327366287241).

Almost surely, 2^654732574481 is an apocalyptic number.

It is an amenable number.

654732574481 is a deficient number, since it is larger than the sum of its proper divisors (1).

654732574481 is an equidigital number, since it uses as much as digits as its factorization.

654732574481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22579200, while the sum is 56.

The spelling of 654732574481 in words is "six hundred fifty-four billion, seven hundred thirty-two million, five hundred seventy-four thousand, four hundred eighty-one".