4520654521 has 2 divisors, whose sum is σ = 4520654522. Its totient is φ = 4520654520.

The previous prime is 4520654507. The next prime is 4520654549. The reversal of 4520654521 is 1254560254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4513152400 + 7502121 = 67180^2 + 2739^2 .

It is a cyclic number.

It is not a de Polignac number, because 4520654521 - 2¹⁹ = 4520130233 is a prime.

It is not a weakly prime, because it can be changed into another prime (4520654221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260327260 + 2260327261.

It is an arithmetic number, because the mean of its divisors is an integer number (2260327261).

Almost surely, 2^4520654521 is an apocalyptic number.

It is an amenable number.

4520654521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4520654521 is an equidigital number, since it uses as much as digits as its factorization.

4520654521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 4520654521 is about 67235.8127860443. The cubic root of 4520654521 is about 1653.4856854769.

The spelling of 4520654521 in words is "four billion, five hundred twenty million, six hundred fifty-four thousand, five hundred twenty-one".