540213451 has 2 divisors, whose sum is σ = 540213452. Its totient is φ = 540213450.

The previous prime is 540213439. The next prime is 540213461. The reversal of 540213451 is 154312045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540213451 - 2¹⁷ = 540082379 is a prime.

It is not a weakly prime, because it can be changed into another prime (540213461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270106725 + 270106726.

It is an arithmetic number, because the mean of its divisors is an integer number (270106726).

Almost surely, 2^540213451 is an apocalyptic number.

540213451 is a deficient number, since it is larger than the sum of its proper divisors (1).

540213451 is an equidigital number, since it uses as much as digits as its factorization.

540213451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 540213451 is about 23242.4923577486. The cubic root of 540213451 is about 814.4325662434.

Adding to 540213451 its reverse (154312045), we get a palindrome (694525496).

The spelling of 540213451 in words is "five hundred forty million, two hundred thirteen thousand, four hundred fifty-one".