425255438 has 8 divisors (see below), whose sum is σ = 641089200. Its totient is φ = 211559040.

The previous prime is 425255437. The next prime is 425255497. The reversal of 425255438 is 834552524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425255431) 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 in 3 ways as a sum of consecutive naturals, for example, 533843 + ... + 534638.

It is an arithmetic number, because the mean of its divisors is an integer number (80136150).

Almost surely, 2^425255438 is an apocalyptic number.

425255438 is a deficient number, since it is larger than the sum of its proper divisors (215833762).

425255438 is a wasteful number, since it uses less digits than its factorization.

425255438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068682.

The product of its digits is 192000, while the sum is 38.

The square root of 425255438 is about 20621.7224789783. The cubic root of 425255438 is about 751.9978956765.

The spelling of 425255438 in words is "four hundred twenty-five million, two hundred fifty-five thousand, four hundred thirty-eight".