425149 has 2 divisors, whose sum is σ = 425150. Its totient is φ = 425148.

The previous prime is 425147. The next prime is 425189. The reversal of 425149 is 941524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257049 + 168100 = 507^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 425149 - 2¹ = 425147 is a prime.

Together with 425147, it forms a pair of twin primes.

It is equal to p₃₅₇₉₁ and since 425149 and 35791 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 (425147) 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, 212574 + 212575.

It is an arithmetic number, because the mean of its divisors is an integer number (212575).

2⁴²⁵¹⁴⁹ is an apocalyptic number.

It is an amenable number.

425149 is a deficient number, since it is larger than the sum of its proper divisors (1).

425149 is an equidigital number, since it uses as much as digits as its factorization.

425149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 425149 is about 652.0345082892. The cubic root of 425149 is about 75.1935150776.

The spelling of 425149 in words is "four hundred twenty-five thousand, one hundred forty-nine".