540635237 has 4 divisors (see below), whose sum is σ = 541538400. Its totient is φ = 539732076.

The previous prime is 540635233. The next prime is 540635239. The reversal of 540635237 is 732536045.

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 540635237 - 2² = 540635233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540635197 and 540635206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540635233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450683 + ... + 451880.

It is an arithmetic number, because the mean of its divisors is an integer number (135384600).

Almost surely, 2^540635237 is an apocalyptic number.

It is an amenable number.

540635237 is a deficient number, since it is larger than the sum of its proper divisors (903163).

540635237 is an equidigital number, since it uses as much as digits as its factorization.

540635237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903162.

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 540635237 is about 23251.5641839426. The cubic root of 540635237 is about 814.6444743878.

The spelling of 540635237 in words is "five hundred forty million, six hundred thirty-five thousand, two hundred thirty-seven".