540012313 has 2 divisors, whose sum is σ = 540012314. Its totient is φ = 540012312.

The previous prime is 540012287. The next prime is 540012337. The reversal of 540012313 is 313210045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446561424 + 93450889 = 21132^2 + 9667^2 .

It is a cyclic number.

It is not a de Polignac number, because 540012313 - 2¹⁷ = 539881241 is a prime.

It is a super-2 number, since 2×540012313² = 583226596383219938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540012383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270006156 + 270006157.

It is an arithmetic number, because the mean of its divisors is an integer number (270006157).

Almost surely, 2^540012313 is an apocalyptic number.

It is an amenable number.

540012313 is a deficient number, since it is larger than the sum of its proper divisors (1).

540012313 is an equidigital number, since it uses as much as digits as its factorization.

540012313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 540012313 is about 23238.1650093117. The cubic root of 540012313 is about 814.3314743063.

Adding to 540012313 its reverse (313210045), we get a palindrome (853222358).

The spelling of 540012313 in words is "five hundred forty million, twelve thousand, three hundred thirteen".