225003453 has 32 divisors (see below), whose sum is σ = 322008960. Its totient is φ = 139345920.

The previous prime is 225003421. The next prime is 225003463. The reversal of 225003453 is 354300522.

It is not a de Polignac number, because 225003453 - 2⁵ = 225003421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225003463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165725 + ... + 1165917.

It is an arithmetic number, because the mean of its divisors is an integer number (10062780).

Almost surely, 2^225003453 is an apocalyptic number.

It is an amenable number.

225003453 is a deficient number, since it is larger than the sum of its proper divisors (97005507).

225003453 is a wasteful number, since it uses less digits than its factorization.

225003453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 225003453 is about 15000.1150995584. The cubic root of 225003453 is about 608.2233109256.

Adding to 225003453 its reverse (354300522), we get a palindrome (579303975).

It can be divided in two parts, 225003 and 453, that added together give a triangular number (225456 = T₆₇₁).

The spelling of 225003453 in words is "two hundred twenty-five million, three thousand, four hundred fifty-three".