451032530 has 32 divisors (see below), whose sum is σ = 912328704. Its totient is φ = 159293376.

The previous prime is 451032511. The next prime is 451032577. The reversal of 451032530 is 35230154.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 451032496 and 451032505.

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, 72434 + ... + 78413.

It is an arithmetic number, because the mean of its divisors is an integer number (28510272).

Almost surely, 2^451032530 is an apocalyptic number.

451032530 is an abundant number, since it is smaller than the sum of its proper divisors (461296174).

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

451032530 is a wasteful number, since it uses less digits than its factorization.

451032530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150890.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 451032530 is about 21237.5264567228. The cubic root of 451032530 is about 766.8950865274.

Adding to 451032530 its reverse (35230154), we get a palindrome (486262684).

The spelling of 451032530 in words is "four hundred fifty-one million, thirty-two thousand, five hundred thirty".