540255451 has 4 divisors (see below), whose sum is σ = 540993232. Its totient is φ = 539517672.

The previous prime is 540255439. The next prime is 540255491. The reversal of 540255451 is 154552045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540255451 - 2⁷ = 540255323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540255421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367791 + ... + 369256.

It is an arithmetic number, because the mean of its divisors is an integer number (135248308).

Almost surely, 2^540255451 is an apocalyptic number.

540255451 is a deficient number, since it is larger than the sum of its proper divisors (737781).

540255451 is an equidigital number, since it uses as much as digits as its factorization.

540255451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737780.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 540255451 is about 23243.3958577485. The cubic root of 540255451 is about 814.4536722718.

The spelling of 540255451 in words is "five hundred forty million, two hundred fifty-five thousand, four hundred fifty-one".