540112251 has 12 divisors (see below), whose sum is σ = 837725352. Its totient is φ = 308635488.

The previous prime is 540112249. The next prime is 540112277. The reversal of 540112251 is 152211045.

540112251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 540112251 - 2¹ = 540112249 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 (540112351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1836970 + ... + 1837263.

It is an arithmetic number, because the mean of its divisors is an integer number (69810446).

Almost surely, 2^540112251 is an apocalyptic number.

540112251 is a deficient number, since it is larger than the sum of its proper divisors (297613101).

540112251 is a wasteful number, since it uses less digits than its factorization.

540112251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674250 (or 3674243 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 540112251 is about 23240.3152087058. The cubic root of 540112251 is about 814.3817062714.

Adding to 540112251 its reverse (152211045), we get a palindrome (692323296).

The spelling of 540112251 in words is "five hundred forty million, one hundred twelve thousand, two hundred fifty-one".