5421541252 has 6 divisors (see below), whose sum is σ = 9487697198. Its totient is φ = 2710770624.

The previous prime is 5421541249. The next prime is 5421541259. The reversal of 5421541252 is 2521451245.

It can be written as a sum of positive squares in only one way, i.e., 5354726976 + 66814276 = 73176^2 + 8174^2 .

It is not an unprimeable number, because it can be changed into a prime (5421541259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677692653 + ... + 677692660.

Almost surely, 2^5421541252 is an apocalyptic number.

It is an amenable number.

5421541252 is a deficient number, since it is larger than the sum of its proper divisors (4066155946).

5421541252 is a wasteful number, since it uses less digits than its factorization.

5421541252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355385317 (or 1355385315 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 5421541252 is about 73631.1160583622. The cubic root of 5421541252 is about 1756.7403997359.

Adding to 5421541252 its reverse (2521451245), we get a palindrome (7942992497).

The spelling of 5421541252 in words is "five billion, four hundred twenty-one million, five hundred forty-one thousand, two hundred fifty-two".