29255251 has 2 divisors, whose sum is σ = 29255252. Its totient is φ = 29255250.

The previous prime is 29255243. The next prime is 29255257. The reversal of 29255251 is 15255292.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29255251 - 2³ = 29255243 is a prime.

It is a super-2 number, since 2×29255251² = 1711739422146002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29255257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14627625 + 14627626.

It is an arithmetic number, because the mean of its divisors is an integer number (14627626).

Almost surely, 2^29255251 is an apocalyptic number.

29255251 is a deficient number, since it is larger than the sum of its proper divisors (1).

29255251 is an equidigital number, since it uses as much as digits as its factorization.

29255251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 31.

The square root of 29255251 is about 5408.8123465323. The cubic root of 29255251 is about 308.1304438472.

The spelling of 29255251 in words is "twenty-nine million, two hundred fifty-five thousand, two hundred fifty-one".