5151232241 has 4 divisors (see below), whose sum is σ = 5290454772. Its totient is φ = 5012009712.

The previous prime is 5151232223. The next prime is 5151232249. The reversal of 5151232241 is 1422321515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1868400625 + 3282831616 = 43225^2 + 57296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5151232241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5151232241.

It is not an unprimeable number, because it can be changed into a prime (5151232249) 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, 69611210 + ... + 69611283.

It is an arithmetic number, because the mean of its divisors is an integer number (1322613693).

Almost surely, 2^5151232241 is an apocalyptic number.

It is an amenable number.

5151232241 is a deficient number, since it is larger than the sum of its proper divisors (139222531).

5151232241 is a wasteful number, since it uses less digits than its factorization.

5151232241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139222530.

The product of its digits is 2400, while the sum is 26.

The square root of 5151232241 is about 71772.0853884015. The cubic root of 5151232241 is about 1727.0452241932.

Adding to 5151232241 its reverse (1422321515), we get a palindrome (6573553756).

The spelling of 5151232241 in words is "five billion, one hundred fifty-one million, two hundred thirty-two thousand, two hundred forty-one".