451025125 has 16 divisors (see below), whose sum is σ = 563689152. Its totient is φ = 360301200.

The previous prime is 451025123. The next prime is 451025129. The reversal of 451025125 is 521520154.

It is not a de Polignac number, because 451025125 - 2¹ = 451025123 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 451025125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451025123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101194 + ... + 105556.

It is an arithmetic number, because the mean of its divisors is an integer number (35230572).

Almost surely, 2^451025125 is an apocalyptic number.

It is an amenable number.

451025125 is a deficient number, since it is larger than the sum of its proper divisors (112664027).

451025125 is an equidigital number, since it uses as much as digits as its factorization.

451025125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205 (or 5195 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 451025125 is about 21237.3521183786. The cubic root of 451025125 is about 766.8908895728.

Adding to 451025125 its reverse (521520154), we get a palindrome (972545279).

The spelling of 451025125 in words is "four hundred fifty-one million, twenty-five thousand, one hundred twenty-five".