42522001252 has 6 divisors (see below), whose sum is σ = 74413502198. Its totient is φ = 21261000624.

The previous prime is 42522001241. The next prime is 42522001279. The reversal of 42522001252 is 25210022524.

42522001252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 32362570816 + 10159430436 = 179896^2 + 100794^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5315250153 + ... + 5315250160.

Almost surely, 2^42522001252 is an apocalyptic number.

It is an amenable number.

42522001252 is a deficient number, since it is larger than the sum of its proper divisors (31891500946).

42522001252 is a wasteful number, since it uses less digits than its factorization.

42522001252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630500317 (or 10630500315 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 42522001252 its reverse (25210022524), we get a palindrome (67732023776).

The spelling of 42522001252 in words is "forty-two billion, five hundred twenty-two million, one thousand, two hundred fifty-two".