83425429 has 2 divisors, whose sum is σ = 83425430. Its totient is φ = 83425428.

The previous prime is 83425421. The next prime is 83425457. The reversal of 83425429 is 92452438.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75724804 + 7700625 = 8702^2 + 2775^2 .

It is a cyclic number.

It is not a de Polignac number, because 83425429 - 2³ = 83425421 is a prime.

It is equal to p_4857526 and since 83425429 and 4857526 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 (83425421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41712714 + 41712715.

It is an arithmetic number, because the mean of its divisors is an integer number (41712715).

Almost surely, 2^83425429 is an apocalyptic number.

It is an amenable number.

83425429 is a deficient number, since it is larger than the sum of its proper divisors (1).

83425429 is an equidigital number, since it uses as much as digits as its factorization.

83425429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 83425429 is about 9133.7521862595. The cubic root of 83425429 is about 436.9510790801.

The spelling of 83425429 in words is "eighty-three million, four hundred twenty-five thousand, four hundred twenty-nine".