540326697 has 4 divisors (see below), whose sum is σ = 720435600. Its totient is φ = 360217796.

The previous prime is 540326653. The next prime is 540326701. The reversal of 540326697 is 796623045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540326697 - 2⁸ = 540326441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540322697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90054447 + ... + 90054452.

It is an arithmetic number, because the mean of its divisors is an integer number (180108900).

Almost surely, 2^540326697 is an apocalyptic number.

It is an amenable number.

540326697 is a deficient number, since it is larger than the sum of its proper divisors (180108903).

540326697 is a wasteful number, since it uses less digits than its factorization.

540326697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180108902.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 540326697 is about 23244.9284146026. The cubic root of 540326697 is about 814.4894726298.

The spelling of 540326697 in words is "five hundred forty million, three hundred twenty-six thousand, six hundred ninety-seven".