5121512441 has 4 divisors (see below), whose sum is σ = 5121661584. Its totient is φ = 5121363300.

The previous prime is 5121512437. The next prime is 5121512503. The reversal of 5121512441 is 1442151215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5121512441 - 2² = 5121512437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5121512441.

It is not an unprimeable number, because it can be changed into a prime (5121112441) 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, 5846 + ... + 101376.

It is an arithmetic number, because the mean of its divisors is an integer number (1280415396).

Almost surely, 2^5121512441 is an apocalyptic number.

It is an amenable number.

5121512441 is a deficient number, since it is larger than the sum of its proper divisors (149143).

5121512441 is an equidigital number, since it uses as much as digits as its factorization.

5121512441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149142.

The product of its digits is 1600, while the sum is 26.

The square root of 5121512441 is about 71564.7430024031. The cubic root of 5121512441 is about 1723.7174465339.

Adding to 5121512441 its reverse (1442151215), we get a palindrome (6563663656).

The spelling of 5121512441 in words is "five billion, one hundred twenty-one million, five hundred twelve thousand, four hundred forty-one".