51063249 has 4 divisors (see below), whose sum is σ = 68084336. Its totient is φ = 34042164.

The previous prime is 51063247. The next prime is 51063253. The reversal of 51063249 is 94236015.

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.

It is not a de Polignac number, because 51063249 - 2¹ = 51063247 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51063247) 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, 8510539 + ... + 8510544.

It is an arithmetic number, because the mean of its divisors is an integer number (17021084).

Almost surely, 2^51063249 is an apocalyptic number.

It is an amenable number.

51063249 is a deficient number, since it is larger than the sum of its proper divisors (17021087).

51063249 is a wasteful number, since it uses less digits than its factorization.

51063249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17021086.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 51063249 is about 7145.8553721720. The cubic root of 51063249 is about 370.9962171738.

The spelling of 51063249 in words is "fifty-one million, sixty-three thousand, two hundred forty-nine".