3625429 has 2 divisors, whose sum is σ = 3625430. Its totient is φ = 3625428.

The previous prime is 3625423. The next prime is 3625477. The reversal of 3625429 is 9245263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3247204 + 378225 = 1802^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 3625429 - 2⁵ = 3625397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3625429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3625423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812714 + 1812715.

It is an arithmetic number, because the mean of its divisors is an integer number (1812715).

Almost surely, 2^3625429 is an apocalyptic number.

It is an amenable number.

3625429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625429 is an equidigital number, since it uses as much as digits as its factorization.

3625429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 3625429 is about 1904.0559340524. The cubic root of 3625429 is about 153.6219009253.

The spelling of 3625429 in words is "three million, six hundred twenty-five thousand, four hundred twenty-nine".