57012829 has 2 divisors, whose sum is σ = 57012830. Its totient is φ = 57012828.

The previous prime is 57012827. The next prime is 57012847. The reversal of 57012829 is 92821075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 5890329 = 7150^2 + 2427^2 .

It is a cyclic number.

It is not a de Polignac number, because 57012829 - 2¹ = 57012827 is a prime.

Together with 57012827, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 57012794 and 57012803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57012827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28506414 + 28506415.

It is an arithmetic number, because the mean of its divisors is an integer number (28506415).

Almost surely, 2^57012829 is an apocalyptic number.

It is an amenable number.

57012829 is a deficient number, since it is larger than the sum of its proper divisors (1).

57012829 is an equidigital number, since it uses as much as digits as its factorization.

57012829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 57012829 is about 7550.6840087505. The cubic root of 57012829 is about 384.8789837226.

The spelling of 57012829 in words is "fifty-seven million, twelve thousand, eight hundred twenty-nine".