425123 has 2 divisors, whose sum is σ = 425124. Its totient is φ = 425122.

The previous prime is 425107. The next prime is 425147. The reversal of 425123 is 321524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425123 - 2⁴ = 425107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (425423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212561 + 212562.

It is an arithmetic number, because the mean of its divisors is an integer number (212562).

2⁴²⁵¹²³ is an apocalyptic number.

425123 is a deficient number, since it is larger than the sum of its proper divisors (1).

425123 is an equidigital number, since it uses as much as digits as its factorization.

425123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 17.

The square root of 425123 is about 652.0145703893. The cubic root of 425123 is about 75.1919822258.

Adding to 425123 its reverse (321524), we get a palindrome (746647).

The spelling of 425123 in words is "four hundred twenty-five thousand, one hundred twenty-three".