425425170 has 64 divisors (see below), whose sum is σ = 1101548160. Its totient is φ = 104752128.

The previous prime is 425425151. The next prime is 425425177. The reversal of 425425170 is 71524524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (425425177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19161 + ... + 34899.

It is an arithmetic number, because the mean of its divisors is an integer number (17211690).

Almost surely, 2^425425170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425425170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550774080).

425425170 is an abundant number, since it is smaller than the sum of its proper divisors (676122990).

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

425425170 is a wasteful number, since it uses less digits than its factorization.

425425170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 425425170 is about 20625.8374375442. The cubic root of 425425170 is about 752.0979305558.

Adding to 425425170 its reverse (71524524), we get a palindrome (496949694).

The spelling of 425425170 in words is "four hundred twenty-five million, four hundred twenty-five thousand, one hundred seventy".