29145247 has 2 divisors, whose sum is σ = 29145248. Its totient is φ = 29145246.

The previous prime is 29145241. The next prime is 29145253. The reversal of 29145247 is 74254192.

It is a balanced prime because it is at equal distance from previous prime (29145241) and next prime (29145253).

It is a cyclic number.

It is not a de Polignac number, because 29145247 - 2⁷ = 29145119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29145241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14572623 + 14572624.

It is an arithmetic number, because the mean of its divisors is an integer number (14572624).

Almost surely, 2^29145247 is an apocalyptic number.

29145247 is a deficient number, since it is larger than the sum of its proper divisors (1).

29145247 is an equidigital number, since it uses as much as digits as its factorization.

29145247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 29145247 is about 5398.6338086594. The cubic root of 29145247 is about 307.7437536718.

It can be divided in two parts, 29145 and 247, that added together give a palindrome (29392).

The spelling of 29145247 in words is "twenty-nine million, one hundred forty-five thousand, two hundred forty-seven".