51414212 has 6 divisors (see below), whose sum is σ = 89974878. Its totient is φ = 25707104.

The previous prime is 51414199. The next prime is 51414229. The reversal of 51414212 is 21241415.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47969476 + 3444736 = 6926^2 + 1856^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6426773 + ... + 6426780.

It is an arithmetic number, because the mean of its divisors is an integer number (14995813).

Almost surely, 2^51414212 is an apocalyptic number.

It is an amenable number.

51414212 is a deficient number, since it is larger than the sum of its proper divisors (38560666).

51414212 is a wasteful number, since it uses less digits than its factorization.

51414212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12853557 (or 12853555 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 51414212 is about 7170.3704227885. The cubic root of 51414212 is about 371.8442424200.

Adding to 51414212 its reverse (21241415), we get a palindrome (72655627).

The spelling of 51414212 in words is "fifty-one million, four hundred fourteen thousand, two hundred twelve".