540434751 has 4 divisors (see below), whose sum is σ = 720579672. Its totient is φ = 360289832.

The previous prime is 540434737. The next prime is 540434761. The reversal of 540434751 is 157434045.

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 540434751 - 2¹³ = 540426559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540434761) 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, 90072456 + ... + 90072461.

It is an arithmetic number, because the mean of its divisors is an integer number (180144918).

Almost surely, 2^540434751 is an apocalyptic number.

540434751 is a deficient number, since it is larger than the sum of its proper divisors (180144921).

540434751 is a wasteful number, since it uses less digits than its factorization.

540434751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180144920.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 540434751 is about 23247.2525473442. The cubic root of 540434751 is about 814.5437626116.

Adding to 540434751 its reverse (157434045), we get a palindrome (697868796).

The spelling of 540434751 in words is "five hundred forty million, four hundred thirty-four thousand, seven hundred fifty-one".