42512260237 has 2 divisors, whose sum is σ = 42512260238. Its totient is φ = 42512260236.

The previous prime is 42512260229. The next prime is 42512260279. The reversal of 42512260237 is 73206221524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42147679401 + 364580836 = 205299^2 + 19094^2 .

It is a cyclic number.

It is not a de Polignac number, because 42512260237 - 2³ = 42512260229 is a prime.

It is a super-2 number, since 2×42512260237² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42512260207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21256130118 + 21256130119.

It is an arithmetic number, because the mean of its divisors is an integer number (21256130119).

Almost surely, 2^42512260237 is an apocalyptic number.

It is an amenable number.

42512260237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42512260237 is an equidigital number, since it uses as much as digits as its factorization.

42512260237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 42512260237 in words is "forty-two billion, five hundred twelve million, two hundred sixty thousand, two hundred thirty-seven".