451031225 has 6 divisors (see below), whose sum is σ = 559278750. Its totient is φ = 360824960.

The previous prime is 451031167. The next prime is 451031237. The reversal of 451031225 is 522130154.

It can be written as a sum of positive squares in 3 ways, for example, as 573049 + 450458176 = 757^2 + 21224^2 .

It is not a de Polignac number, because 451031225 - 2¹⁰ = 451030201 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 451031225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9020600 + ... + 9020649.

It is an arithmetic number, because the mean of its divisors is an integer number (93213125).

Almost surely, 2^451031225 is an apocalyptic number.

It is an amenable number.

451031225 is a deficient number, since it is larger than the sum of its proper divisors (108247525).

451031225 is a wasteful number, since it uses less digits than its factorization.

451031225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18041259 (or 18041254 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 451031225 is about 21237.4957327836. The cubic root of 451031225 is about 766.8943468919.

Adding to 451031225 its reverse (522130154), we get a palindrome (973161379).

The spelling of 451031225 in words is "four hundred fifty-one million, thirty-one thousand, two hundred twenty-five".