29257057 has 2 divisors, whose sum is σ = 29257058. Its totient is φ = 29257056.

The previous prime is 29257037. The next prime is 29257069. The reversal of 29257057 is 75075292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23126481 + 6130576 = 4809^2 + 2476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29257057 is a prime.

It is not a weakly prime, because it can be changed into another prime (29257037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14628528 + 14628529.

It is an arithmetic number, because the mean of its divisors is an integer number (14628529).

Almost surely, 2^29257057 is an apocalyptic number.

It is an amenable number.

29257057 is a deficient number, since it is larger than the sum of its proper divisors (1).

29257057 is an equidigital number, since it uses as much as digits as its factorization.

29257057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 29257057 is about 5408.9792937300. The cubic root of 29257057 is about 308.1367842717.

The spelling of 29257057 in words is "twenty-nine million, two hundred fifty-seven thousand, fifty-seven".