540643125 has 60 divisors (see below), whose sum is σ = 990532928. Its totient is φ = 262020000.

The previous prime is 540643099. The next prime is 540643133. The reversal of 540643125 is 521346045.

It is not a de Polignac number, because 540643125 - 2¹³ = 540634933 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 540643092 and 540643101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 225684 + ... + 228066.

Almost surely, 2^540643125 is an apocalyptic number.

540643125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

540643125 is a deficient number, since it is larger than the sum of its proper divisors (449889803).

540643125 is a wasteful number, since it uses less digits than its factorization.

540643125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428 (or 2402 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 540643125 is about 23251.7338063208. The cubic root of 540643125 is about 814.6484363224.

The spelling of 540643125 in words is "five hundred forty million, six hundred forty-three thousand, one hundred twenty-five".