8513429 has 2 divisors, whose sum is σ = 8513430. Its totient is φ = 8513428.

The previous prime is 8513389. The next prime is 8513431. The reversal of 8513429 is 9243158.

8513429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8151025 + 362404 = 2855^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 8513429 - 2⁸ = 8513173 is a prime.

Together with 8513431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8513395 and 8513404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8513459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4256714 + 4256715.

It is an arithmetic number, because the mean of its divisors is an integer number (4256715).

Almost surely, 2^8513429 is an apocalyptic number.

It is an amenable number.

8513429 is a deficient number, since it is larger than the sum of its proper divisors (1).

8513429 is an equidigital number, since it uses as much as digits as its factorization.

8513429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 8513429 is about 2917.7780930016. The cubic root of 8513429 is about 204.1901741270.

The spelling of 8513429 in words is "eight million, five hundred thirteen thousand, four hundred twenty-nine".