540103381 has 2 divisors, whose sum is σ = 540103382. Its totient is φ = 540103380.

The previous prime is 540103357. The next prime is 540103387. The reversal of 540103381 is 183301045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488852100 + 51251281 = 22110^2 + 7159^2 .

It is a cyclic number.

It is not a de Polignac number, because 540103381 - 2¹¹ = 540101333 is a prime.

It is a super-2 number, since 2×540103381² = 583423324335262322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540103387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270051690 + 270051691.

It is an arithmetic number, because the mean of its divisors is an integer number (270051691).

Almost surely, 2^540103381 is an apocalyptic number.

It is an amenable number.

540103381 is a deficient number, since it is larger than the sum of its proper divisors (1).

540103381 is an equidigital number, since it uses as much as digits as its factorization.

540103381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 540103381 is about 23240.1243757429. The cubic root of 540103381 is about 814.3772481825.

The spelling of 540103381 in words is "five hundred forty million, one hundred three thousand, three hundred eighty-one".