51346825 has 6 divisors (see below), whose sum is σ = 63670094. Its totient is φ = 41077440.

The previous prime is 51346727. The next prime is 51346829. The reversal of 51346825 is 52864315.

It can be written as a sum of positive squares in 3 ways, for example, as 16548624 + 34798201 = 4068^2 + 5899^2 .

It is not a de Polignac number, because 51346825 - 2⁹ = 51346313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51346829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1026912 + ... + 1026961.

Almost surely, 2^51346825 is an apocalyptic number.

It is an amenable number.

51346825 is a deficient number, since it is larger than the sum of its proper divisors (12323269).

51346825 is a wasteful number, since it uses less digits than its factorization.

51346825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053883 (or 2053878 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 51346825 is about 7165.6698919222. The cubic root of 51346825 is about 371.6817165196.

The spelling of 51346825 in words is "fifty-one million, three hundred forty-six thousand, eight hundred twenty-five".