29140253 has 2 divisors, whose sum is σ = 29140254. Its totient is φ = 29140252.

The previous prime is 29140219. The next prime is 29140259. The reversal of 29140253 is 35204192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29138404 + 1849 = 5398^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 29140253 - 2²⁰ = 28091677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29140259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14570126 + 14570127.

It is an arithmetic number, because the mean of its divisors is an integer number (14570127).

Almost surely, 2^29140253 is an apocalyptic number.

It is an amenable number.

29140253 is a deficient number, since it is larger than the sum of its proper divisors (1).

29140253 is an equidigital number, since it uses as much as digits as its factorization.

29140253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 29140253 is about 5398.1712644191. The cubic root of 29140253 is about 307.7261755044.

The spelling of 29140253 in words is "twenty-nine million, one hundred forty thousand, two hundred fifty-three".