425643162 has 32 divisors (see below), whose sum is σ = 973624704. Its totient is φ = 121521600.

The previous prime is 425643157. The next prime is 425643199. The reversal of 425643162 is 261346524.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70212 + ... + 76032.

It is an arithmetic number, because the mean of its divisors is an integer number (30425772).

Almost surely, 2^425643162 is an apocalyptic number.

425643162 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

425643162 is an abundant number, since it is smaller than the sum of its proper divisors (547981542).

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

425643162 is a wasteful number, since it uses less digits than its factorization.

425643162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7574.

The product of its digits is 34560, while the sum is 33.

The square root of 425643162 is about 20631.1212007491. The cubic root of 425643162 is about 752.2263693885.

Adding to 425643162 its reverse (261346524), we get a palindrome (686989686).

The spelling of 425643162 in words is "four hundred twenty-five million, six hundred forty-three thousand, one hundred sixty-two".