51534713 has 2 divisors, whose sum is σ = 51534714. Its totient is φ = 51534712.

The previous prime is 51534643. The next prime is 51534719. The reversal of 51534713 is 31743515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38775529 + 12759184 = 6227^2 + 3572^2 .

It is a cyclic number.

It is not a de Polignac number, because 51534713 - 2¹⁸ = 51272569 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (51534719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25767356 + 25767357.

It is an arithmetic number, because the mean of its divisors is an integer number (25767357).

Almost surely, 2^51534713 is an apocalyptic number.

It is an amenable number.

51534713 is a deficient number, since it is larger than the sum of its proper divisors (1).

51534713 is an equidigital number, since it uses as much as digits as its factorization.

51534713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 29.

The square root of 51534713 is about 7178.7682091011. The cubic root of 51534713 is about 372.1345165238.

The spelling of 51534713 in words is "fifty-one million, five hundred thirty-four thousand, seven hundred thirteen".