5254511421 has 16 divisors (see below), whose sum is σ = 7285570560. Its totient is φ = 3364495680.

The previous prime is 5254511401. The next prime is 5254511429. The reversal of 5254511421 is 1241154525.

It is not a de Polignac number, because 5254511421 - 2⁷ = 5254511293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5254511429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141490 + ... + 174723.

It is an arithmetic number, because the mean of its divisors is an integer number (455348160).

Almost surely, 2^5254511421 is an apocalyptic number.

It is an amenable number.

5254511421 is a deficient number, since it is larger than the sum of its proper divisors (2031059139).

5254511421 is a wasteful number, since it uses less digits than its factorization.

5254511421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316436.

The product of its digits is 8000, while the sum is 30.

The square root of 5254511421 is about 72488.0088083540. The cubic root of 5254511421 is about 1738.5110154545.

Adding to 5254511421 its reverse (1241154525), we get a palindrome (6495665946).

The spelling of 5254511421 in words is "five billion, two hundred fifty-four million, five hundred eleven thousand, four hundred twenty-one".