42521130227 has 2 divisors, whose sum is σ = 42521130228. Its totient is φ = 42521130226.

The previous prime is 42521130187. The next prime is 42521130233. The reversal of 42521130227 is 72203112524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42521130227 - 2¹⁸ = 42520868083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42521130227.

It is not a weakly prime, because it can be changed into another prime (42521130727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21260565113 + 21260565114.

It is an arithmetic number, because the mean of its divisors is an integer number (21260565114).

Almost surely, 2^42521130227 is an apocalyptic number.

42521130227 is a deficient number, since it is larger than the sum of its proper divisors (1).

42521130227 is an equidigital number, since it uses as much as digits as its factorization.

42521130227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 42521130227 in words is "forty-two billion, five hundred twenty-one million, one hundred thirty thousand, two hundred twenty-seven".