51200425 has 6 divisors (see below), whose sum is σ = 63488558. Its totient is φ = 40960320.

The previous prime is 51200417. The next prime is 51200441. The reversal of 51200425 is 52400215.

It can be written as a sum of positive squares in 3 ways, for example, as 17884441 + 33315984 = 4229^2 + 5772^2 .

It is not a de Polignac number, because 51200425 - 2³ = 51200417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1023984 + ... + 1024033.

Almost surely, 2^51200425 is an apocalyptic number.

It is an amenable number.

51200425 is a deficient number, since it is larger than the sum of its proper divisors (12288133).

51200425 is a wasteful number, since it uses less digits than its factorization.

51200425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048027 (or 2048022 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 51200425 is about 7155.4472257155. The cubic root of 51200425 is about 371.3281341212.

The spelling of 51200425 in words is "fifty-one million, two hundred thousand, four hundred twenty-five".