451512325 has 12 divisors (see below), whose sum is σ = 610773408. Its totient is φ = 328372400.

The previous prime is 451512323. The next prime is 451512331. The reversal of 451512325 is 523215154.

It is not a de Polignac number, because 451512325 - 2¹ = 451512323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451512293 and 451512302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451512323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820657 + ... + 821206.

It is an arithmetic number, because the mean of its divisors is an integer number (50897784).

Almost surely, 2^451512325 is an apocalyptic number.

It is an amenable number.

451512325 is a deficient number, since it is larger than the sum of its proper divisors (159261083).

451512325 is a wasteful number, since it uses less digits than its factorization.

451512325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641884 (or 1641879 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 451512325 is about 21248.8193789679. The cubic root of 451512325 is about 767.1669235594.

Adding to 451512325 its reverse (523215154), we get a palindrome (974727479).

The spelling of 451512325 in words is "four hundred fifty-one million, five hundred twelve thousand, three hundred twenty-five".