425389148 has 12 divisors (see below), whose sum is σ = 764551032. Its totient is φ = 206946000.

The previous prime is 425389127. The next prime is 425389201. The reversal of 425389148 is 841983524.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 425389099 and 425389108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436978 + ... + 1437273.

It is an arithmetic number, because the mean of its divisors is an integer number (63712586).

Almost surely, 2^425389148 is an apocalyptic number.

It is an amenable number.

425389148 is a deficient number, since it is larger than the sum of its proper divisors (339161884).

425389148 is a wasteful number, since it uses less digits than its factorization.

425389148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874292 (or 2874290 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 425389148 is about 20624.9641939083. The cubic root of 425389148 is about 752.0767025090.

The spelling of 425389148 in words is "four hundred twenty-five million, three hundred eighty-nine thousand, one hundred forty-eight".