540672553 has 2 divisors, whose sum is σ = 540672554. Its totient is φ = 540672552.

The previous prime is 540672533. The next prime is 540672571. The reversal of 540672553 is 355276045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539725824 + 946729 = 23232^2 + 973^2 .

It is a cyclic number.

It is not a de Polignac number, because 540672553 - 2¹⁷ = 540541481 is a prime.

It is not a weakly prime, because it can be changed into another prime (540672533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270336276 + 270336277.

It is an arithmetic number, because the mean of its divisors is an integer number (270336277).

Almost surely, 2^540672553 is an apocalyptic number.

It is an amenable number.

540672553 is a deficient number, since it is larger than the sum of its proper divisors (1).

540672553 is an equidigital number, since it uses as much as digits as its factorization.

540672553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 37.

The square root of 540672553 is about 23252.3666107345. The cubic root of 540672553 is about 814.6632168915.

The spelling of 540672553 in words is "five hundred forty million, six hundred seventy-two thousand, five hundred fifty-three".