29400257 has 2 divisors, whose sum is σ = 29400258. Its totient is φ = 29400256.

The previous prime is 29400253. The next prime is 29400271. The reversal of 29400257 is 75200492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20394256 + 9006001 = 4516^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 29400257 - 2² = 29400253 is a prime.

It is a super-2 number, since 2×29400257² = 1728750223332098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29400251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14700128 + 14700129.

It is an arithmetic number, because the mean of its divisors is an integer number (14700129).

Almost surely, 2^29400257 is an apocalyptic number.

It is an amenable number.

29400257 is a deficient number, since it is larger than the sum of its proper divisors (1).

29400257 is an equidigital number, since it uses as much as digits as its factorization.

29400257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 29400257 is about 5422.2003836081. The cubic root of 29400257 is about 308.6386961320.

The spelling of 29400257 in words is "twenty-nine million, four hundred thousand, two hundred fifty-seven".