51034213 has 2 divisors, whose sum is σ = 51034214. Its totient is φ = 51034212.

The previous prime is 51034199. The next prime is 51034241. The reversal of 51034213 is 31243015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28547649 + 22486564 = 5343^2 + 4742^2 .

It is a cyclic number.

It is not a de Polignac number, because 51034213 - 2⁹ = 51033701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51034273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25517106 + 25517107.

It is an arithmetic number, because the mean of its divisors is an integer number (25517107).

Almost surely, 2^51034213 is an apocalyptic number.

It is an amenable number.

51034213 is a deficient number, since it is larger than the sum of its proper divisors (1).

51034213 is an equidigital number, since it uses as much as digits as its factorization.

51034213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51034213 is about 7143.8234160707. The cubic root of 51034213 is about 370.9258842121.

Adding to 51034213 its reverse (31243015), we get a palindrome (82277228).

It can be divided in two parts, 5103 and 4213, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 51034213 in words is "fifty-one million, thirty-four thousand, two hundred thirteen".