540474623 has 4 divisors (see below), whose sum is σ = 582049608. Its totient is φ = 498899640.

The previous prime is 540474607. The next prime is 540474637. The reversal of 540474623 is 326474045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326474045 = 5 ⋅65294809.

It is a cyclic number.

It is not a de Polignac number, because 540474623 - 2⁴ = 540474607 is a prime.

It is a super-2 number, since 2×540474623² = 584225636213984258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540474923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20787473 + ... + 20787498.

It is an arithmetic number, because the mean of its divisors is an integer number (145512402).

Almost surely, 2^540474623 is an apocalyptic number.

540474623 is a deficient number, since it is larger than the sum of its proper divisors (41574985).

540474623 is a wasteful number, since it uses less digits than its factorization.

540474623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41574984.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 540474623 is about 23248.1100952314. The cubic root of 540474623 is about 814.5637938242.

The spelling of 540474623 in words is "five hundred forty million, four hundred seventy-four thousand, six hundred twenty-three".