540602623 has 4 divisors (see below), whose sum is σ = 589748328. Its totient is φ = 491456920.

The previous prime is 540602617. The next prime is 540602633. The reversal of 540602623 is 326206045.

It is a happy number.

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 540602623 - 2²⁹ = 3731711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540602591 and 540602600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540602633) 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, 24572836 + ... + 24572857.

It is an arithmetic number, because the mean of its divisors is an integer number (147437082).

Almost surely, 2^540602623 is an apocalyptic number.

540602623 is a deficient number, since it is larger than the sum of its proper divisors (49145705).

540602623 is a wasteful number, since it uses less digits than its factorization.

540602623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49145704.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 540602623 is about 23250.8628442043. The cubic root of 540602623 is about 814.6280928257.

Adding to 540602623 its reverse (326206045), we get a palindrome (866808668).

The spelling of 540602623 in words is "five hundred forty million, six hundred two thousand, six hundred twenty-three".