451532532 has 24 divisors (see below), whose sum is σ = 1149355872. Its totient is φ = 136828000.

The previous prime is 451532531. The next prime is 451532561. The reversal of 451532532 is 235235154.

It is a self number, because there is not a number n which added to its sum of digits gives 451532532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451532531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710219 + ... + 1710482.

It is an arithmetic number, because the mean of its divisors is an integer number (47889828).

Almost surely, 2^451532532 is an apocalyptic number.

It is an amenable number.

451532532 is an abundant number, since it is smaller than the sum of its proper divisors (697823340).

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

451532532 is a wasteful number, since it uses less digits than its factorization.

451532532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420719 (or 3420717 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 451532532 is about 21249.2948588888. The cubic root of 451532532 is about 767.1783679947.

Adding to 451532532 its reverse (235235154), we get a palindrome (686767686).

The spelling of 451532532 in words is "four hundred fifty-one million, five hundred thirty-two thousand, five hundred thirty-two".