540743501 has 4 divisors (see below), whose sum is σ = 564254112. Its totient is φ = 517232892.

The previous prime is 540743491. The next prime is 540743519. The reversal of 540743501 is 105347045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540743501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540743551) 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, 11755271 + ... + 11755316.

It is an arithmetic number, because the mean of its divisors is an integer number (141063528).

Almost surely, 2^540743501 is an apocalyptic number.

It is an amenable number.

540743501 is a deficient number, since it is larger than the sum of its proper divisors (23510611).

540743501 is a wasteful number, since it uses less digits than its factorization.

540743501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23510610.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 540743501 is about 23253.8921688392. The cubic root of 540743501 is about 814.6988491780.

It can be divided in two parts, 54074 and 3501, that added together give a palindrome (57575).

The spelling of 540743501 in words is "five hundred forty million, seven hundred forty-three thousand, five hundred one".