540674537 has 8 divisors (see below), whose sum is σ = 591811080. Its totient is φ = 490901760.

The previous prime is 540674527. The next prime is 540674549. The reversal of 540674537 is 735476045.

It can be written as a sum of positive squares in 4 ways, for example, as 15531481 + 525143056 = 3941^2 + 22916^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540674537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540674494 and 540674503.

It is not an unprimeable number, because it can be changed into a prime (540674527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340112 + ... + 341697.

It is an arithmetic number, because the mean of its divisors is an integer number (73976385).

Almost surely, 2^540674537 is an apocalyptic number.

It is an amenable number.

540674537 is a deficient number, since it is larger than the sum of its proper divisors (51136543).

540674537 is a wasteful number, since it uses less digits than its factorization.

540674537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681883.

The product of its (nonzero) digits is 352800, while the sum is 41.

The square root of 540674537 is about 23252.4092730194. The cubic root of 540674537 is about 814.6642133602.

The spelling of 540674537 in words is "five hundred forty million, six hundred seventy-four thousand, five hundred thirty-seven".