42520540327 has 2 divisors, whose sum is σ = 42520540328. Its totient is φ = 42520540326.

The previous prime is 42520540247. The next prime is 42520540459. The reversal of 42520540327 is 72304502524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42520540327 - 2¹¹ = 42520538279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42520540292 and 42520540301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42520520327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21260270163 + 21260270164.

It is an arithmetic number, because the mean of its divisors is an integer number (21260270164).

Almost surely, 2^42520540327 is an apocalyptic number.

42520540327 is a deficient number, since it is larger than the sum of its proper divisors (1).

42520540327 is an equidigital number, since it uses as much as digits as its factorization.

42520540327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 34.

The spelling of 42520540327 in words is "forty-two billion, five hundred twenty million, five hundred forty thousand, three hundred twenty-seven".