51325035273 has 12 divisors (see below), whose sum is σ = 74143454788. Its totient is φ = 34213324320.

The previous prime is 51325035263. The next prime is 51325035283. The reversal of 51325035273 is 37253052315.

51325035273 is a `hidden beast` number, since 5 + 1 + 32 + 503 + 52 + 73 = 666.

It is an interprime number because it is at equal distance from previous prime (51325035263) and next prime (51325035283).

It can be written as a sum of positive squares in 2 ways, for example, as 8524459584 + 42800575689 = 92328^2 + 206883^2 .

It is not a de Polignac number, because 51325035273 - 2⁸ = 51325035017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51325035263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182098 + ... + 368523.

Almost surely, 2^51325035273 is an apocalyptic number.

It is an amenable number.

51325035273 is a deficient number, since it is larger than the sum of its proper divisors (22818419515).

51325035273 is a wasteful number, since it uses less digits than its factorization.

51325035273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560984 (or 560981 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

Adding to 51325035273 its reverse (37253052315), we get a palindrome (88578087588).

It can be divided in two parts, 5132 and 5035273, that added together give a palindrome (5040405).

The spelling of 51325035273 in words is "fifty-one billion, three hundred twenty-five million, thirty-five thousand, two hundred seventy-three".