42521034001 has 2 divisors, whose sum is σ = 42521034002. Its totient is φ = 42521034000.

The previous prime is 42521033993. The next prime is 42521034043. The reversal of 42521034001 is 10043012524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42487103376 + 33930625 = 206124^2 + 5825^2 .

It is a cyclic number.

It is not a de Polignac number, because 42521034001 - 2³ = 42521033993 is a prime.

It is not a weakly prime, because it can be changed into another prime (42521034901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21260517000 + 21260517001.

It is an arithmetic number, because the mean of its divisors is an integer number (21260517001).

Almost surely, 2^42521034001 is an apocalyptic number.

It is an amenable number.

42521034001 is a deficient number, since it is larger than the sum of its proper divisors (1).

42521034001 is an equidigital number, since it uses as much as digits as its factorization.

42521034001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 42521034001 its reverse (10043012524), we get a palindrome (52564046525).

The spelling of 42521034001 in words is "forty-two billion, five hundred twenty-one million, thirty-four thousand, one".