51032263 has 2 divisors, whose sum is σ = 51032264. Its totient is φ = 51032262.

The previous prime is 51032251. The next prime is 51032273. The reversal of 51032263 is 36223015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51032263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51032273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25516131 + 25516132.

It is an arithmetic number, because the mean of its divisors is an integer number (25516132).

Almost surely, 2^51032263 is an apocalyptic number.

51032263 is a deficient number, since it is larger than the sum of its proper divisors (1).

51032263 is an equidigital number, since it uses as much as digits as its factorization.

51032263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 51032263 is about 7143.6869332299. The cubic root of 51032263 is about 370.9211598345.

Adding to 51032263 its reverse (36223015), we get a palindrome (87255278).

The spelling of 51032263 in words is "fifty-one million, thirty-two thousand, two hundred sixty-three".