425505942 has 48 divisors (see below), whose sum is σ = 944599968. Its totient is φ = 138378240.

The previous prime is 425505919. The next prime is 425505943. The reversal of 425505942 is 249505524.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 425505897 and 425505906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425505943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182967 + ... + 185277.

It is an arithmetic number, because the mean of its divisors is an integer number (19679166).

Almost surely, 2^425505942 is an apocalyptic number.

425505942 is an abundant number, since it is smaller than the sum of its proper divisors (519094026).

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

425505942 is a wasteful number, since it uses less digits than its factorization.

425505942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 425505942 is about 20627.7953742032. The cubic root of 425505942 is about 752.1455257728.

The spelling of 425505942 in words is "four hundred twenty-five million, five hundred five thousand, nine hundred forty-two".