51230275 has 12 divisors (see below), whose sum is σ = 63738232. Its totient is φ = 40847040.

The previous prime is 51230273. The next prime is 51230287. The reversal of 51230275 is 57203215.

51230275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51230275 - 2¹ = 51230273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51230273) 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 11 ways as a sum of consecutive naturals, for example, 4552 + ... + 11098.

Almost surely, 2^51230275 is an apocalyptic number.

51230275 is a deficient number, since it is larger than the sum of its proper divisors (12507957).

51230275 is a wasteful number, since it uses less digits than its factorization.

51230275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870 (or 6865 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 51230275 is about 7157.5327452971. The cubic root of 51230275 is about 371.4002819043.

The spelling of 51230275 in words is "fifty-one million, two hundred thirty thousand, two hundred seventy-five".