540301251 has 32 divisors (see below), whose sum is σ = 842250240. Its totient is φ = 301722624.

The previous prime is 540301243. The next prime is 540301253. The reversal of 540301251 is 152103045.

It is not a de Polignac number, because 540301251 - 2³ = 540301243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (540301253) 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 31 ways as a sum of consecutive naturals, for example, 171670 + ... + 174788.

It is an arithmetic number, because the mean of its divisors is an integer number (26320320).

Almost surely, 2^540301251 is an apocalyptic number.

540301251 is a deficient number, since it is larger than the sum of its proper divisors (301948989).

540301251 is a wasteful number, since it uses less digits than its factorization.

540301251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 540301251 is about 23244.3810629580. The cubic root of 540301251 is about 814.4766866465.

Adding to 540301251 its reverse (152103045), we get a palindrome (692404296).

The spelling of 540301251 in words is "five hundred forty million, three hundred one thousand, two hundred fifty-one".