540532043 has 4 divisors (see below), whose sum is σ = 541107408. Its totient is φ = 539956680.

The previous prime is 540532037. The next prime is 540532049. The reversal of 540532043 is 340235045.

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

It is an interprime number because it is at equal distance from previous prime (540532037) and next prime (540532049).

It is a cyclic number.

It is not a de Polignac number, because 540532043 - 2⁸ = 540531787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540532049) 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, 286271 + ... + 288152.

It is an arithmetic number, because the mean of its divisors is an integer number (135276852).

Almost surely, 2^540532043 is an apocalyptic number.

540532043 is a deficient number, since it is larger than the sum of its proper divisors (575365).

540532043 is an equidigital number, since it uses as much as digits as its factorization.

540532043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575364.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 540532043 is about 23249.3450015264. The cubic root of 540532043 is about 814.5926392098.

Adding to 540532043 its reverse (340235045), we get a palindrome (880767088).

The spelling of 540532043 in words is "five hundred forty million, five hundred thirty-two thousand, forty-three".