50851025 has 6 divisors (see below), whose sum is σ = 63055302. Its totient is φ = 40680800.

The previous prime is 50851013. The next prime is 50851037. The reversal of 50851025 is 52015805.

It is an interprime number because it is at equal distance from previous prime (50851013) and next prime (50851037).

It can be written as a sum of positive squares in 3 ways, for example, as 1752976 + 49098049 = 1324^2 + 7007^2 .

It is a de Polignac number, because none of the positive numbers 2^k-50851025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50850985 and 50851003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1016996 + ... + 1017045.

It is an arithmetic number, because the mean of its divisors is an integer number (10509217).

Almost surely, 2^50851025 is an apocalyptic number.

It is an amenable number.

50851025 is a deficient number, since it is larger than the sum of its proper divisors (12204277).

50851025 is a wasteful number, since it uses less digits than its factorization.

50851025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034051 (or 2034046 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 50851025 is about 7130.9904641641. The cubic root of 50851025 is about 370.4815376265.

It can be divided in two parts, 5085 and 1025, that multiplied together give a palindrome (5212125).

The spelling of 50851025 in words is "fifty million, eight hundred fifty-one thousand, twenty-five".