57290269 has 2 divisors, whose sum is σ = 57290270. Its totient is φ = 57290268.

The previous prime is 57290267. The next prime is 57290287. The reversal of 57290269 is 96209275.

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., 54567769 + 2722500 = 7387^2 + 1650^2 .

It is a cyclic number.

It is not a de Polignac number, because 57290269 - 2¹ = 57290267 is a prime.

It is a super-2 number, since 2×57290269² = 6564349844184722, which contains 22 as substring.

Together with 57290267, 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 (57290267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28645134 + 28645135.

It is an arithmetic number, because the mean of its divisors is an integer number (28645135).

Almost surely, 2^57290269 is an apocalyptic number.

It is an amenable number.

57290269 is a deficient number, since it is larger than the sum of its proper divisors (1).

57290269 is an equidigital number, since it uses as much as digits as its factorization.

57290269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 57290269 is about 7569.0335578593. The cubic root of 57290269 is about 385.5022825231.

The spelling of 57290269 in words is "fifty-seven million, two hundred ninety thousand, two hundred sixty-nine".