29312149 has 2 divisors, whose sum is σ = 29312150. Its totient is φ = 29312148.

The previous prime is 29312141. The next prime is 29312159. The reversal of 29312149 is 94121392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16402500 + 12909649 = 4050^2 + 3593^2 .

It is a cyclic number.

It is not a de Polignac number, because 29312149 - 2³ = 29312141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29312149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29312141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14656074 + 14656075.

It is an arithmetic number, because the mean of its divisors is an integer number (14656075).

Almost surely, 2^29312149 is an apocalyptic number.

It is an amenable number.

29312149 is a deficient number, since it is larger than the sum of its proper divisors (1).

29312149 is an equidigital number, since it uses as much as digits as its factorization.

29312149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 29312149 is about 5414.0695414817. The cubic root of 29312149 is about 308.3300735635.

The spelling of 29312149 in words is "twenty-nine million, three hundred twelve thousand, one hundred forty-nine".