485531574 has 64 divisors (see below), whose sum is σ = 1090430208. Its totient is φ = 142876800.

The previous prime is 485531561. The next prime is 485531623. The reversal of 485531574 is 475135584.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333432 + ... + 334884.

It is an arithmetic number, because the mean of its divisors is an integer number (17037972).

Almost surely, 2^485531574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485531574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545215104).

485531574 is an abundant number, since it is smaller than the sum of its proper divisors (604898634).

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

485531574 is a wasteful number, since it uses less digits than its factorization.

485531574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613.

The product of its digits is 336000, while the sum is 42.

The square root of 485531574 is about 22034.7810063999. The cubic root of 485531574 is about 785.9697396556.

The spelling of 485531574 in words is "four hundred eighty-five million, five hundred thirty-one thousand, five hundred seventy-four".