451211125 has 16 divisors (see below), whose sum is σ = 587598336. Its totient is φ = 345272400.

The previous prime is 451211119. The next prime is 451211141. The reversal of 451211125 is 521112154.

It is a de Polignac number, because none of the positive numbers 2^k-451211125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451211096 and 451211105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75597 + ... + 81346.

It is an arithmetic number, because the mean of its divisors is an integer number (36724896).

Almost surely, 2^451211125 is an apocalyptic number.

It is an amenable number.

451211125 is a deficient number, since it is larger than the sum of its proper divisors (136387211).

451211125 is a wasteful number, since it uses less digits than its factorization.

451211125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156981 (or 156971 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 451211125 is about 21241.7307439860. The cubic root of 451211125 is about 766.9962954537.

Adding to 451211125 its reverse (521112154), we get a palindrome (972323279).

The spelling of 451211125 in words is "four hundred fifty-one million, two hundred eleven thousand, one hundred twenty-five".