51823253 has 2 divisors, whose sum is σ = 51823254. Its totient is φ = 51823252.

The previous prime is 51823237. The next prime is 51823271. The reversal of 51823253 is 35232815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49815364 + 2007889 = 7058^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 51823253 - 2⁴ = 51823237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51823223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25911626 + 25911627.

It is an arithmetic number, because the mean of its divisors is an integer number (25911627).

Almost surely, 2^51823253 is an apocalyptic number.

It is an amenable number.

51823253 is a deficient number, since it is larger than the sum of its proper divisors (1).

51823253 is an equidigital number, since it uses as much as digits as its factorization.

51823253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 51823253 is about 7198.8369199476. The cubic root of 51823253 is about 372.8277445206.

The spelling of 51823253 in words is "fifty-one million, eight hundred twenty-three thousand, two hundred fifty-three".