51214252 has 12 divisors (see below), whose sum is σ = 89799976. Its totient is φ = 25557120.

The previous prime is 51214231. The next prime is 51214259. The reversal of 51214252 is 25241215.

It is not an unprimeable number, because it can be changed into a prime (51214259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10149 + ... + 14332.

Almost surely, 2^51214252 is an apocalyptic number.

It is an amenable number.

51214252 is a deficient number, since it is larger than the sum of its proper divisors (38585724).

51214252 is a wasteful number, since it uses less digits than its factorization.

51214252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25008 (or 25006 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 51214252 is about 7156.4133474807. The cubic root of 51214252 is about 371.3615576198.

Adding to 51214252 its reverse (25241215), we get a palindrome (76455467).

The spelling of 51214252 in words is "fifty-one million, two hundred fourteen thousand, two hundred fifty-two".