51250829 has 8 divisors (see below), whose sum is σ = 58994880. Its totient is φ = 43612416.

The previous prime is 51250813. The next prime is 51250879. The reversal of 51250829 is 92805215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51250829 - 2⁴ = 51250813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51250795 and 51250804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51250879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25364 + ... + 27309.

It is an arithmetic number, because the mean of its divisors is an integer number (7374360).

Almost surely, 2^51250829 is an apocalyptic number.

It is an amenable number.

51250829 is a deficient number, since it is larger than the sum of its proper divisors (7744051).

51250829 is a wasteful number, since it uses less digits than its factorization.

51250829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52819.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 51250829 is about 7158.9684312756. The cubic root of 51250829 is about 371.4499448605.

The spelling of 51250829 in words is "fifty-one million, two hundred fifty thousand, eight hundred twenty-nine".