51348293 has 2 divisors, whose sum is σ = 51348294. Its totient is φ = 51348292.

The previous prime is 51348223. The next prime is 51348301. The reversal of 51348293 is 39284315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34316164 + 17032129 = 5858^2 + 4127^2 .

It is a cyclic number.

It is not a de Polignac number, because 51348293 - 2²² = 47153989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51348223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25674146 + 25674147.

It is an arithmetic number, because the mean of its divisors is an integer number (25674147).

Almost surely, 2^51348293 is an apocalyptic number.

It is an amenable number.

51348293 is a deficient number, since it is larger than the sum of its proper divisors (1).

51348293 is an equidigital number, since it uses as much as digits as its factorization.

51348293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 51348293 is about 7165.7723240416. The cubic root of 51348293 is about 371.6852585988.

The spelling of 51348293 in words is "fifty-one million, three hundred forty-eight thousand, two hundred ninety-three".