51143025 has 24 divisors (see below), whose sum is σ = 87288064. Its totient is φ = 26395200.

The previous prime is 51143011. The next prime is 51143033. The reversal of 51143025 is 52034115.

It is not a de Polignac number, because 51143025 - 2¹¹ = 51140977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51142992 and 51143010.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 8674 + ... + 13323.

Almost surely, 2^51143025 is an apocalyptic number.

It is an amenable number.

51143025 is a deficient number, since it is larger than the sum of its proper divisors (36145039).

51143025 is a wasteful number, since it uses less digits than its factorization.

51143025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22041 (or 22036 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51143025 is about 7151.4351706493. The cubic root of 51143025 is about 371.1893188354.

The spelling of 51143025 in words is "fifty-one million, one hundred forty-three thousand, twenty-five".