451325500 has 48 divisors (see below), whose sum is σ = 988591968. Its totient is φ = 180000000.

The previous prime is 451325477. The next prime is 451325543. The reversal of 451325500 is 5523154.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199375 + ... + 201625.

It is an arithmetic number, because the mean of its divisors is an integer number (20595666).

Almost surely, 2^451325500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451325500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494295984).

451325500 is an abundant number, since it is smaller than the sum of its proper divisors (537266468).

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

451325500 is a wasteful number, since it uses less digits than its factorization.

451325500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 451325500 is about 21244.4227975250. The cubic root of 451325500 is about 767.0610971877.

Adding to 451325500 its reverse (5523154), we get a palindrome (456848654).

The spelling of 451325500 in words is "four hundred fifty-one million, three hundred twenty-five thousand, five hundred".