3115429 has 2 divisors, whose sum is σ = 3115430. Its totient is φ = 3115428.

The previous prime is 3115423. The next prime is 3115439. The reversal of 3115429 is 9245113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2160900 + 954529 = 1470^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 3115429 - 2⁵ = 3115397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3115423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557714 + 1557715.

It is an arithmetic number, because the mean of its divisors is an integer number (1557715).

Almost surely, 2^3115429 is an apocalyptic number.

It is an amenable number.

3115429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115429 is an equidigital number, since it uses as much as digits as its factorization.

3115429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 3115429 is about 1765.0577894222. The cubic root of 3115429 is about 146.0514768128.

The spelling of 3115429 in words is "three million, one hundred fifteen thousand, four hundred twenty-nine".