51441233 has 2 divisors, whose sum is σ = 51441234. Its totient is φ = 51441232.

The previous prime is 51441197. The next prime is 51441241. The reversal of 51441233 is 33214415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51380224 + 61009 = 7168^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 51441233 - 2²² = 47246929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51441199 and 51441208.

It is not a weakly prime, because it can be changed into another prime (51441253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25720616 + 25720617.

It is an arithmetic number, because the mean of its divisors is an integer number (25720617).

Almost surely, 2^51441233 is an apocalyptic number.

It is an amenable number.

51441233 is a deficient number, since it is larger than the sum of its proper divisors (1).

51441233 is an equidigital number, since it uses as much as digits as its factorization.

51441233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 51441233 is about 7172.2543875688. The cubic root of 51441233 is about 371.9093725543.

Adding to 51441233 its reverse (33214415), we get a palindrome (84655648).

The spelling of 51441233 in words is "fifty-one million, four hundred forty-one thousand, two hundred thirty-three".