540132641 has 2 divisors, whose sum is σ = 540132642. Its totient is φ = 540132640.

The previous prime is 540132631. The next prime is 540132689. The reversal of 540132641 is 146231045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523494400 + 16638241 = 22880^2 + 4079^2 .

It is a cyclic number.

It is not a de Polignac number, because 540132641 - 2²⁶ = 473023777 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540132641.

It is not a weakly prime, because it can be changed into another prime (540132631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270066320 + 270066321.

It is an arithmetic number, because the mean of its divisors is an integer number (270066321).

Almost surely, 2^540132641 is an apocalyptic number.

It is an amenable number.

540132641 is a deficient number, since it is larger than the sum of its proper divisors (1).

540132641 is an equidigital number, since it uses as much as digits as its factorization.

540132641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 540132641 is about 23240.7538819204. The cubic root of 540132641 is about 814.3919541621.

Adding to 540132641 its reverse (146231045), we get a palindrome (686363686).

The spelling of 540132641 in words is "five hundred forty million, one hundred thirty-two thousand, six hundred forty-one".