540024253 has 2 divisors, whose sum is σ = 540024254. Its totient is φ = 540024252.

The previous prime is 540024203. The next prime is 540024263. The reversal of 540024253 is 352420045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395134884 + 144889369 = 19878^2 + 12037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540024253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540024203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270012126 + 270012127.

It is an arithmetic number, because the mean of its divisors is an integer number (270012127).

Almost surely, 2^540024253 is an apocalyptic number.

It is an amenable number.

540024253 is a deficient number, since it is larger than the sum of its proper divisors (1).

540024253 is an equidigital number, since it uses as much as digits as its factorization.

540024253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 540024253 is about 23238.4219128580. The cubic root of 540024253 is about 814.3374760497.

Adding to 540024253 its reverse (352420045), we get a palindrome (892444298).

The spelling of 540024253 in words is "five hundred forty million, twenty-four thousand, two hundred fifty-three".