51235237 has 8 divisors (see below), whose sum is σ = 53576640. Its totient is φ = 48995980.

The previous prime is 51235207. The next prime is 51235241. The reversal of 51235237 is 73253215.

51235237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-51235237 is a prime.

It is a super-3 number, since 3×51235237³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51235207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10062 + ... + 14272.

It is an arithmetic number, because the mean of its divisors is an integer number (6697080).

Almost surely, 2^51235237 is an apocalyptic number.

It is an amenable number.

51235237 is a deficient number, since it is larger than the sum of its proper divisors (2341403).

51235237 is an frugal number, since it uses more digits than its factorization.

51235237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280 (or 4234 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 51235237 is about 7157.8793647281. The cubic root of 51235237 is about 371.4122723969.

The spelling of 51235237 in words is "fifty-one million, two hundred thirty-five thousand, two hundred thirty-seven".