5354512561 has 2 divisors, whose sum is σ = 5354512562. Its totient is φ = 5354512560.

The previous prime is 5354512543. The next prime is 5354512573. The reversal of 5354512561 is 1652154535.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5353702561 + 810000 = 73169^2 + 900^2 .

It is a cyclic number.

It is not a de Polignac number, because 5354512561 - 2⁵ = 5354512529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5354512561.

It is not a weakly prime, because it can be changed into another prime (5354512061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2677256280 + 2677256281.

It is an arithmetic number, because the mean of its divisors is an integer number (2677256281).

Almost surely, 2^5354512561 is an apocalyptic number.

It is an amenable number.

5354512561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5354512561 is an equidigital number, since it uses as much as digits as its factorization.

5354512561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90000, while the sum is 37.

The square root of 5354512561 is about 73174.5349216515. The cubic root of 5354512561 is about 1749.4705948007.

The spelling of 5354512561 in words is "five billion, three hundred fifty-four million, five hundred twelve thousand, five hundred sixty-one".