51134249 has 4 divisors (see below), whose sum is σ = 54142164. Its totient is φ = 48126336.

The previous prime is 51134243. The next prime is 51134273. The reversal of 51134249 is 94243115.

51134249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 44983849 + 6150400 = 6707^2 + 2480^2 .

It is a cyclic number.

It is not a de Polignac number, because 51134249 - 2²⁴ = 34357033 is a prime.

It is a super-2 number, since 2×51134249² = 5229422841588002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51134243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503932 + ... + 1503965.

It is an arithmetic number, because the mean of its divisors is an integer number (13535541).

Almost surely, 2^51134249 is an apocalyptic number.

It is an amenable number.

51134249 is a deficient number, since it is larger than the sum of its proper divisors (3007915).

51134249 is a wasteful number, since it uses less digits than its factorization.

51134249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007914.

The product of its digits is 4320, while the sum is 29.

The square root of 51134249 is about 7150.8215611914. The cubic root of 51134249 is about 371.1680859380.

The spelling of 51134249 in words is "fifty-one million, one hundred thirty-four thousand, two hundred forty-nine".