5421211400252 has 6 divisors (see below), whose sum is σ = 9487119950448. Its totient is φ = 2710605700124.

The previous prime is 5421211400237. The next prime is 5421211400287. The reversal of 5421211400252 is 2520041121245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677651425028 + ... + 677651425035.

It is an arithmetic number, because the mean of its divisors is an integer number (1581186658408).

Almost surely, 2^{5421211400252} is an apocalyptic number.

It is an amenable number.

5421211400252 is a deficient number, since it is larger than the sum of its proper divisors (4065908550196).

5421211400252 is a wasteful number, since it uses less digits than its factorization.

5421211400252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355302850067 (or 1355302850065 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 5421211400252 its reverse (2520041121245), we get a palindrome (7941252521497).

The spelling of 5421211400252 in words is "five trillion, four hundred twenty-one billion, two hundred eleven million, four hundred thousand, two hundred fifty-two".