540353697 has 16 divisors (see below), whose sum is σ = 809628288. Its totient is φ = 318067200.

The previous prime is 540353669. The next prime is 540353701. The reversal of 540353697 is 796353045.

It is a de Polignac number, because none of the positive numbers 2^k-540353697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540353617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300304 + ... + 302097.

It is an arithmetic number, because the mean of its divisors is an integer number (50601768).

Almost surely, 2^540353697 is an apocalyptic number.

It is an amenable number.

540353697 is a deficient number, since it is larger than the sum of its proper divisors (269274591).

540353697 is a wasteful number, since it uses less digits than its factorization.

540353697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602440.

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 540353697 is about 23245.5091791942. The cubic root of 540353697 is about 814.5030390207.

The spelling of 540353697 in words is "five hundred forty million, three hundred fifty-three thousand, six hundred ninety-seven".