42485607251 has 2 divisors, whose sum is σ = 42485607252. Its totient is φ = 42485607250.

The previous prime is 42485607223. The next prime is 42485607317. The reversal of 42485607251 is 15270658424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42485607251 - 2²² = 42481412947 is a prime.

It is not a weakly prime, because it can be changed into another prime (42485607221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21242803625 + 21242803626.

It is an arithmetic number, because the mean of its divisors is an integer number (21242803626).

Almost surely, 2^42485607251 is an apocalyptic number.

42485607251 is a deficient number, since it is larger than the sum of its proper divisors (1).

42485607251 is an equidigital number, since it uses as much as digits as its factorization.

42485607251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 42485607251 in words is "forty-two billion, four hundred eighty-five million, six hundred seven thousand, two hundred fifty-one".