53235257 has 2 divisors, whose sum is σ = 53235258. Its totient is φ = 53235256.

The previous prime is 53235253. The next prime is 53235263. The reversal of 53235257 is 75253235.

53235257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27994681 + 25240576 = 5291^2 + 5024^2 .

It is a cyclic number.

It is not a de Polignac number, because 53235257 - 2² = 53235253 is a prime.

It is not a weakly prime, because it can be changed into another prime (53235253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26617628 + 26617629.

It is an arithmetic number, because the mean of its divisors is an integer number (26617629).

Almost surely, 2^53235257 is an apocalyptic number.

It is an amenable number.

53235257 is a deficient number, since it is larger than the sum of its proper divisors (1).

53235257 is an equidigital number, since it uses as much as digits as its factorization.

53235257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 32.

The square root of 53235257 is about 7296.2495160185. The cubic root of 53235257 is about 376.1835365653.

The spelling of 53235257 in words is "fifty-three million, two hundred thirty-five thousand, two hundred fifty-seven".