540225125523 has 6 divisors (see below), whose sum is σ = 780325181324. Its totient is φ = 360150083676.

The previous prime is 540225125507. The next prime is 540225125533. The reversal of 540225125523 is 325521522045.

540225125523 is a `hidden beast` number, since 5 + 4 + 0 + 2 + 2 + 5 + 125 + 523 = 666.

It is not a de Polignac number, because 540225125523 - 2⁴ = 540225125507 is a prime.

It is a super-2 number, since 2×540225125523² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540225125533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30012506965 + ... + 30012506982.

Almost surely, 2^540225125523 is an apocalyptic number.

540225125523 is a deficient number, since it is larger than the sum of its proper divisors (240100055801).

540225125523 is a wasteful number, since it uses less digits than its factorization.

540225125523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60025013953 (or 60025013950 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 540225125523 its reverse (325521522045), we get a palindrome (865746647568).

The spelling of 540225125523 in words is "five hundred forty billion, two hundred twenty-five million, one hundred twenty-five thousand, five hundred twenty-three".