5403404561 has 2 divisors, whose sum is σ = 5403404562. Its totient is φ = 5403404560.

The previous prime is 5403404551. The next prime is 5403404581. The reversal of 5403404561 is 1654043045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5275262161 + 128142400 = 72631^2 + 11320^2 .

It is a cyclic number.

It is not a de Polignac number, because 5403404561 - 2³⁰ = 4329662737 is a prime.

It is not a weakly prime, because it can be changed into another prime (5403404521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701702280 + 2701702281.

It is an arithmetic number, because the mean of its divisors is an integer number (2701702281).

Almost surely, 2^5403404561 is an apocalyptic number.

It is an amenable number.

5403404561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5403404561 is an equidigital number, since it uses as much as digits as its factorization.

5403404561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 5403404561 is about 73507.8537368627. The cubic root of 5403404561 is about 1754.7792690523.

The spelling of 5403404561 in words is "five billion, four hundred three million, four hundred four thousand, five hundred sixty-one".