307147429 has 2 divisors, whose sum is σ = 307147430. Its totient is φ = 307147428.

The previous prime is 307147391. The next prime is 307147457. The reversal of 307147429 is 924741703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203718529 + 103428900 = 14273^2 + 10170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-307147429 is a prime.

It is a Chen prime.

It is equal to p_16618348 and since 307147429 and 16618348 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307145429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153573714 + 153573715.

It is an arithmetic number, because the mean of its divisors is an integer number (153573715).

Almost surely, 2^307147429 is an apocalyptic number.

It is an amenable number.

307147429 is a deficient number, since it is larger than the sum of its proper divisors (1).

307147429 is an equidigital number, since it uses as much as digits as its factorization.

307147429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 307147429 is about 17525.6220716983. The cubic root of 307147429 is about 674.7076403767.

The spelling of 307147429 in words is "three hundred seven million, one hundred forty-seven thousand, four hundred twenty-nine".