452340225 has 18 divisors (see below), whose sum is σ = 810192006. Its totient is φ = 241248000.

The previous prime is 452340209. The next prime is 452340227. The reversal of 452340225 is 522043254.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 55175184 + 397165041 = 7428^2 + 19929^2 .

It is not a de Polignac number, because 452340225 - 2⁴ = 452340209 is a prime.

It is a super-2 number, since 2×452340225² = 409223358306101250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (452340227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1004976 + ... + 1005425.

It is an arithmetic number, because the mean of its divisors is an integer number (45010667).

Almost surely, 2^452340225 is an apocalyptic number.

452340225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

452340225 is a deficient number, since it is larger than the sum of its proper divisors (357851781).

452340225 is a wasteful number, since it uses less digits than its factorization.

452340225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010417 (or 2010409 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 452340225 is about 21268.2915392845. The cubic root of 452340225 is about 767.6355336478.

Adding to 452340225 its reverse (522043254), we get a palindrome (974383479).

The spelling of 452340225 in words is "four hundred fifty-two million, three hundred forty thousand, two hundred twenty-five".