51633269 has 2 divisors, whose sum is σ = 51633270. Its totient is φ = 51633268.

The previous prime is 51633251. The next prime is 51633287. The reversal of 51633269 is 96233615.

It is a balanced prime because it is at equal distance from previous prime (51633251) and next prime (51633287).

It can be written as a sum of positive squares in only one way, i.e., 47430769 + 4202500 = 6887^2 + 2050^2 .

It is a cyclic number.

It is not a de Polignac number, because 51633269 - 2¹² = 51629173 is a prime.

It is a super-2 number, since 2×51633269² = 5331988935252722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51630269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25816634 + 25816635.

It is an arithmetic number, because the mean of its divisors is an integer number (25816635).

Almost surely, 2^51633269 is an apocalyptic number.

It is an amenable number.

51633269 is a deficient number, since it is larger than the sum of its proper divisors (1).

51633269 is an equidigital number, since it uses as much as digits as its factorization.

51633269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 35.

The square root of 51633269 is about 7185.6293391741. The cubic root of 51633269 is about 372.3715912517.

The spelling of 51633269 in words is "fifty-one million, six hundred thirty-three thousand, two hundred sixty-nine".