451023532 has 12 divisors (see below), whose sum is σ = 835720200. Its totient is φ = 212246336.

The previous prime is 451023497. The next prime is 451023533. The reversal of 451023532 is 235320154.

It is a junction number, because it is equal to n+sod(n) for n = 451023497 and 451023506.

It is not an unprimeable number, because it can be changed into a prime (451023533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3316282 + ... + 3316417.

It is an arithmetic number, because the mean of its divisors is an integer number (69643350).

Almost surely, 2^451023532 is an apocalyptic number.

It is an amenable number.

451023532 is a deficient number, since it is larger than the sum of its proper divisors (384696668).

451023532 is a wasteful number, since it uses less digits than its factorization.

451023532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632720 (or 6632718 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 451023532 is about 21237.3146136700. The cubic root of 451023532 is about 766.8899866973.

Adding to 451023532 its reverse (235320154), we get a palindrome (686343686).

The spelling of 451023532 in words is "four hundred fifty-one million, twenty-three thousand, five hundred thirty-two".