540948697 has 2 divisors, whose sum is σ = 540948698. Its totient is φ = 540948696.

The previous prime is 540948691. The next prime is 540948701. The reversal of 540948697 is 796849045.

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., 444830281 + 96118416 = 21091^2 + 9804^2 .

It is a cyclic number.

It is not a de Polignac number, because 540948697 - 2³ = 540948689 is a prime.

It is not a weakly prime, because it can be changed into another prime (540948691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270474348 + 270474349.

It is an arithmetic number, because the mean of its divisors is an integer number (270474349).

Almost surely, 2^540948697 is an apocalyptic number.

It is an amenable number.

540948697 is a deficient number, since it is larger than the sum of its proper divisors (1).

540948697 is an equidigital number, since it uses as much as digits as its factorization.

540948697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 540948697 is about 23258.3038289554. The cubic root of 540948697 is about 814.8018874352.

The spelling of 540948697 in words is "five hundred forty million, nine hundred forty-eight thousand, six hundred ninety-seven".