34247149 has 2 divisors, whose sum is σ = 34247150. Its totient is φ = 34247148.

The previous prime is 34247137. The next prime is 34247153. The reversal of 34247149 is 94174243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34222500 + 24649 = 5850^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 34247149 - 2²⁵ = 692717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34247189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17123574 + 17123575.

It is an arithmetic number, because the mean of its divisors is an integer number (17123575).

Almost surely, 2^34247149 is an apocalyptic number.

It is an amenable number.

34247149 is a deficient number, since it is larger than the sum of its proper divisors (1).

34247149 is an equidigital number, since it uses as much as digits as its factorization.

34247149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 34247149 is about 5852.1063729225. The cubic root of 34247149 is about 324.7442532402.

The spelling of 34247149 in words is "thirty-four million, two hundred forty-seven thousand, one hundred forty-nine".