29145253 has 2 divisors, whose sum is σ = 29145254. Its totient is φ = 29145252.

The previous prime is 29145247. The next prime is 29145289. The reversal of 29145253 is 35254192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26040609 + 3104644 = 5103^2 + 1762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29145253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29145353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14572626 + 14572627.

It is an arithmetic number, because the mean of its divisors is an integer number (14572627).

Almost surely, 2^29145253 is an apocalyptic number.

It is an amenable number.

29145253 is a deficient number, since it is larger than the sum of its proper divisors (1).

29145253 is an equidigital number, since it uses as much as digits as its factorization.

29145253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 29145253 is about 5398.6343643555. The cubic root of 29145253 is about 307.7437747898.

The spelling of 29145253 in words is "twenty-nine million, one hundred forty-five thousand, two hundred fifty-three".