57230269 has 2 divisors, whose sum is σ = 57230270. Its totient is φ = 57230268.

The previous prime is 57230267. The next prime is 57230281. The reversal of 57230269 is 96203275.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45738169 + 11492100 = 6763^2 + 3390^2 .

It is a cyclic number.

It is not a de Polignac number, because 57230269 - 2¹ = 57230267 is a prime.

It is a super-2 number, since 2×57230269² = 6550607379624722, which contains 22 as substring.

Together with 57230267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57230263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28615134 + 28615135.

It is an arithmetic number, because the mean of its divisors is an integer number (28615135).

Almost surely, 2^57230269 is an apocalyptic number.

It is an amenable number.

57230269 is a deficient number, since it is larger than the sum of its proper divisors (1).

57230269 is an equidigital number, since it uses as much as digits as its factorization.

57230269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 57230269 is about 7565.0690016681. The cubic root of 57230269 is about 385.3676568890.

The spelling of 57230269 in words is "fifty-seven million, two hundred thirty thousand, two hundred sixty-nine".