5425121252 has 12 divisors (see below), whose sum is σ = 9550813440. Its totient is φ = 2696317416.

The previous prime is 5425121239. The next prime is 5425121257. The reversal of 5425121252 is 2521215245.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5425121257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4060052 + ... + 4061387.

It is an arithmetic number, because the mean of its divisors is an integer number (795901120).

Almost surely, 2^5425121252 is an apocalyptic number.

It is an amenable number.

5425121252 is a deficient number, since it is larger than the sum of its proper divisors (4125692188).

5425121252 is a wasteful number, since it uses less digits than its factorization.

5425121252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121610 (or 8121608 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 5425121252 is about 73655.4224208917. The cubic root of 5425121252 is about 1757.1269901013.

Adding to 5425121252 its reverse (2521215245), we get a palindrome (7946336497).

The spelling of 5425121252 in words is "five billion, four hundred twenty-five million, one hundred twenty-one thousand, two hundred fifty-two".