1252643532522 has 8 divisors (see below), whose sum is σ = 2505287065056. Its totient is φ = 417547844172.

The previous prime is 1252643532493. The next prime is 1252643532523. The reversal of 1252643532522 is 2252353462521.

It is a sphenic number, since it is the product of 3 distinct primes.

1252643532522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1252643532523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104386961038 + ... + 104386961049.

It is an arithmetic number, because the mean of its divisors is an integer number (313160883132).

Almost surely, 2^{1252643532522} is an apocalyptic number.

1252643532522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252643532522 is a wasteful number, since it uses less digits than its factorization.

1252643532522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208773922092.

The product of its digits is 864000, while the sum is 42.

The spelling of 1252643532522 in words is "one trillion, two hundred fifty-two billion, six hundred forty-three million, five hundred thirty-two thousand, five hundred twenty-two".