451225 has 6 divisors (see below), whose sum is σ = 559550. Its totient is φ = 360960.

The previous prime is 451207. The next prime is 451249. The reversal of 451225 is 522154.

It can be written as a sum of positive squares in 3 ways, for example, as 87616 + 363609 = 296^2 + 603^2 .

It is not a de Polignac number, because 451225 - 2⁷ = 451097 is a prime.

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, 9000 + ... + 9049.

2⁴⁵¹²²⁵ is an apocalyptic number.

It is an amenable number.

451225 is a deficient number, since it is larger than the sum of its proper divisors (108325).

451225 is a wasteful number, since it uses less digits than its factorization.

451225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18059 (or 18054 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 451225 is about 671.7328337963. The cubic root of 451225 is about 76.7004157231.

Adding to 451225 its reverse (522154), we get a palindrome (973379).

It can be divided in two parts, 451 and 225, that multiplied together give a triangular number (101475 = T₄₅₀).

The spelling of 451225 in words is "four hundred fifty-one thousand, two hundred twenty-five".