57033313 has 2 divisors, whose sum is σ = 57033314. Its totient is φ = 57033312.

The previous prime is 57033311. The next prime is 57033323. The reversal of 57033313 is 31333075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56972304 + 61009 = 7548^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 57033313 - 2¹ = 57033311 is a prime.

Together with 57033311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57033311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28516656 + 28516657.

It is an arithmetic number, because the mean of its divisors is an integer number (28516657).

Almost surely, 2^57033313 is an apocalyptic number.

It is an amenable number.

57033313 is a deficient number, since it is larger than the sum of its proper divisors (1).

57033313 is an equidigital number, since it uses as much as digits as its factorization.

57033313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 25.

The square root of 57033313 is about 7552.0403203373. The cubic root of 57033313 is about 384.9250722799.

Adding to 57033313 its reverse (31333075), we get a palindrome (88366388).

The spelling of 57033313 in words is "fifty-seven million, thirty-three thousand, three hundred thirteen".