540610251 has 16 divisors (see below), whose sum is σ = 767491200. Its totient is φ = 337305728.

The previous prime is 540610247. The next prime is 540610253. The reversal of 540610251 is 152016045.

It is a cyclic number.

It is not a de Polignac number, because 540610251 - 2² = 540610247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540610253) 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 in 15 ways as a sum of consecutive naturals, for example, 20481 + ... + 38738.

It is an arithmetic number, because the mean of its divisors is an integer number (47968200).

Almost surely, 2^540610251 is an apocalyptic number.

540610251 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

540610251 is a deficient number, since it is larger than the sum of its proper divisors (226880949).

540610251 is a wasteful number, since it uses less digits than its factorization.

540610251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59418.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 540610251 is about 23251.0268805487. The cubic root of 540610251 is about 814.6319243238.

Adding to 540610251 its reverse (152016045), we get a palindrome (692626296).

The spelling of 540610251 in words is "five hundred forty million, six hundred ten thousand, two hundred fifty-one".