425256042 has 16 divisors (see below), whose sum is σ = 851733792. Its totient is φ = 141548400.

The previous prime is 425256023. The next prime is 425256049. The reversal of 425256042 is 240652524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (425256049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46348 + ... + 54759.

It is an arithmetic number, because the mean of its divisors is an integer number (53233362).

Almost surely, 2^425256042 is an apocalyptic number.

425256042 is an abundant number, since it is smaller than the sum of its proper divisors (426477750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425256042 is a wasteful number, since it uses less digits than its factorization.

425256042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101813.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 425256042 is about 20621.7371237246. The cubic root of 425256042 is about 751.9982517030.

The spelling of 425256042 in words is "four hundred twenty-five million, two hundred fifty-six thousand, forty-two".