540252105254 has 4 divisors (see below), whose sum is σ = 810378157884. Its totient is φ = 270126052626.

The previous prime is 540252105223. The next prime is 540252105259. The reversal of 540252105254 is 452501252045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452501252045 = 5 ⋅90500250409.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540252105259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135063026312 + ... + 135063026315.

It is an arithmetic number, because the mean of its divisors is an integer number (202594539471).

Almost surely, 2^540252105254 is an apocalyptic number.

540252105254 is a deficient number, since it is larger than the sum of its proper divisors (270126052630).

540252105254 is a wasteful number, since it uses less digits than its factorization.

540252105254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270126052629.

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 540252105254 its reverse (452501252045), we get a palindrome (992753357299).

The spelling of 540252105254 in words is "five hundred forty billion, two hundred fifty-two million, one hundred five thousand, two hundred fifty-four".