540012097 has 2 divisors, whose sum is σ = 540012098. Its totient is φ = 540012096.

The previous prime is 540012059. The next prime is 540012119. The reversal of 540012097 is 790210045.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291760561 + 248251536 = 17081^2 + 15756^2 .

It is a cyclic number.

It is not a de Polignac number, because 540012097 - 2¹⁵ = 539979329 is a prime.

It is a super-2 number, since 2×540012097² = 583226129812674818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540012037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270006048 + 270006049.

It is an arithmetic number, because the mean of its divisors is an integer number (270006049).

Almost surely, 2^540012097 is an apocalyptic number.

It is an amenable number.

540012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

540012097 is an equidigital number, since it uses as much as digits as its factorization.

540012097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 540012097 is about 23238.1603617842. The cubic root of 540012097 is about 814.3313657312.

The spelling of 540012097 in words is "five hundred forty million, twelve thousand, ninety-seven".