29137457 has 2 divisors, whose sum is σ = 29137458. Its totient is φ = 29137456.

The previous prime is 29137453. The next prime is 29137487. The reversal of 29137457 is 75473192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28558336 + 579121 = 5344^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 29137457 - 2² = 29137453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29137457.

It is not a weakly prime, because it can be changed into another prime (29137453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14568728 + 14568729.

It is an arithmetic number, because the mean of its divisors is an integer number (14568729).

Almost surely, 2^29137457 is an apocalyptic number.

It is an amenable number.

29137457 is a deficient number, since it is larger than the sum of its proper divisors (1).

29137457 is an equidigital number, since it uses as much as digits as its factorization.

29137457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 29137457 is about 5397.9122816141. The cubic root of 29137457 is about 307.7163331064.

The spelling of 29137457 in words is "twenty-nine million, one hundred thirty-seven thousand, four hundred fifty-seven".