4125629 has 2 divisors, whose sum is σ = 4125630. Its totient is φ = 4125628.

The previous prime is 4125623. The next prime is 4125631. The reversal of 4125629 is 9265214.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4108729 + 16900 = 2027^2 + 130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4125629 is a prime.

Together with 4125631, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 4125629 parts by 2872 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4125623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062814 + 2062815.

It is an arithmetic number, because the mean of its divisors is an integer number (2062815).

Almost surely, 2^4125629 is an apocalyptic number.

It is an amenable number.

4125629 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125629 is an equidigital number, since it uses as much as digits as its factorization.

4125629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 4125629 is about 2031.1644443521. The cubic root of 4125629 is about 160.3848677586.

The spelling of 4125629 in words is "four million, one hundred twenty-five thousand, six hundred twenty-nine".