425235132 has 216 divisors, whose sum is σ = 1338494976. Its totient is φ = 113230656.

The previous prime is 425235119. The next prime is 425235137. The reversal of 425235132 is 231532524.

It is a happy number.

425235132 is a `hidden beast` number, since 4 + 2 + 523 + 5 + 132 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 425235096 and 425235105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425235137) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1906773 + ... + 1906995.

It is an arithmetic number, because the mean of its divisors is an integer number (6196736).

Almost surely, 2^425235132 is an apocalyptic number.

425235132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425235132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669247488).

425235132 is an abundant number, since it is smaller than the sum of its proper divisors (913259844).

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

425235132 is a wasteful number, since it uses less digits than its factorization.

425235132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 305 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 425235132 is about 20621.2301281956. The cubic root of 425235132 is about 751.9859261550.

Adding to 425235132 its reverse (231532524), we get a palindrome (656767656).

The spelling of 425235132 in words is "four hundred twenty-five million, two hundred thirty-five thousand, one hundred thirty-two".