65429057 has 2 divisors, whose sum is σ = 65429058. Its totient is φ = 65429056.

The previous prime is 65429041. The next prime is 65429059. The reversal of 65429057 is 75092456.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58997761 + 6431296 = 7681^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 65429057 - 2⁴ = 65429041 is a prime.

It is a super-2 number, since 2×65429057² = 8561922999818498, which contains 22 as substring.

Together with 65429059, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65429057.

It is not a weakly prime, because it can be changed into another prime (65429059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32714528 + 32714529.

It is an arithmetic number, because the mean of its divisors is an integer number (32714529).

Almost surely, 2^65429057 is an apocalyptic number.

It is an amenable number.

65429057 is a deficient number, since it is larger than the sum of its proper divisors (1).

65429057 is an equidigital number, since it uses as much as digits as its factorization.

65429057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 65429057 is about 8088.8229675275. The cubic root of 65429057 is about 402.9553136133.

The spelling of 65429057 in words is "sixty-five million, four hundred twenty-nine thousand, fifty-seven".