540125397 has 12 divisors (see below), whose sum is σ = 891635680. Its totient is φ = 308643048.

The previous prime is 540125387. The next prime is 540125413. The reversal of 540125397 is 793521045.

540125397 is a `hidden beast` number, since 540 + 1 + 25 + 3 + 97 = 666.

It is not a de Polignac number, because 540125397 - 2⁴ = 540125381 is a prime.

It is a super-3 number, since 3×540125397³ (a number of 27 digits) contains 333 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 (540125357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4286647 + ... + 4286772.

Almost surely, 2^540125397 is an apocalyptic number.

It is an amenable number.

540125397 is a deficient number, since it is larger than the sum of its proper divisors (351510283).

540125397 is a wasteful number, since it uses less digits than its factorization.

540125397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8573432 (or 8573429 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 540125397 is about 23240.5980344741. The cubic root of 540125397 is about 814.3883134011.

The spelling of 540125397 in words is "five hundred forty million, one hundred twenty-five thousand, three hundred ninety-seven".