540412523 has 6 divisors (see below), whose sum is σ = 628643196. Its totient is φ = 463210692.

The previous prime is 540412487. The next prime is 540412547. The reversal of 540412523 is 325214045.

It is a happy number.

It is not a de Polignac number, because 540412523 - 2¹⁴ = 540396139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540412492 and 540412501.

It is not an unprimeable number, because it can be changed into a prime (540412583) 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, 5514365 + ... + 5514462.

It is an arithmetic number, because the mean of its divisors is an integer number (104773866).

Almost surely, 2^540412523 is an apocalyptic number.

540412523 is a deficient number, since it is larger than the sum of its proper divisors (88230673).

540412523 is a wasteful number, since it uses less digits than its factorization.

540412523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11028841 (or 11028834 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 540412523 is about 23246.7744644284. The cubic root of 540412523 is about 814.5325951043.

Adding to 540412523 its reverse (325214045), we get a palindrome (865626568).

The spelling of 540412523 in words is "five hundred forty million, four hundred twelve thousand, five hundred twenty-three".