540653545 has 8 divisors (see below), whose sum is σ = 652535496. Its totient is φ = 430022016.

The previous prime is 540653539. The next prime is 540653557. The reversal of 540653545 is 545356045.

It can be written as a sum of positive squares in 4 ways, for example, as 204261264 + 336392281 = 14292^2 + 18341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540653545 - 2⁵ = 540653513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311652 + ... + 313381.

It is an arithmetic number, because the mean of its divisors is an integer number (81566937).

Almost surely, 2^540653545 is an apocalyptic number.

It is an amenable number.

540653545 is a deficient number, since it is larger than the sum of its proper divisors (111881951).

540653545 is a wasteful number, since it uses less digits than its factorization.

540653545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625211.

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 540653545 is about 23251.9578745533. The cubic root of 540653545 is about 814.6536699548.

The spelling of 540653545 in words is "five hundred forty million, six hundred fifty-three thousand, five hundred forty-five".