51352253 has 2 divisors, whose sum is σ = 51352254. Its totient is φ = 51352252.

The previous prime is 51352229. The next prime is 51352267. The reversal of 51352253 is 35225315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43388569 + 7963684 = 6587^2 + 2822^2 .

It is a cyclic number.

It is not a de Polignac number, because 51352253 - 2⁸ = 51351997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51352453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25676126 + 25676127.

It is an arithmetic number, because the mean of its divisors is an integer number (25676127).

Almost surely, 2^51352253 is an apocalyptic number.

It is an amenable number.

51352253 is a deficient number, since it is larger than the sum of its proper divisors (1).

51352253 is an equidigital number, since it uses as much as digits as its factorization.

51352253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 26.

The square root of 51352253 is about 7166.0486322659. The cubic root of 51352253 is about 371.6948131897.

Adding to 51352253 its reverse (35225315), we get a palindrome (86577568).

The spelling of 51352253 in words is "fifty-one million, three hundred fifty-two thousand, two hundred fifty-three".