225404527 has 4 divisors (see below), whose sum is σ = 230200416. Its totient is φ = 220608640.

The previous prime is 225404489. The next prime is 225404551. The reversal of 225404527 is 725404522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 725404522 = 2 ⋅362702261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225404527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225408527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2397874 + ... + 2397967.

It is an arithmetic number, because the mean of its divisors is an integer number (57550104).

Almost surely, 2^225404527 is an apocalyptic number.

225404527 is a deficient number, since it is larger than the sum of its proper divisors (4795889).

225404527 is an equidigital number, since it uses as much as digits as its factorization.

225404527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795888.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 225404527 is about 15013.4781779573. The cubic root of 225404527 is about 608.5844872422.

The spelling of 225404527 in words is "two hundred twenty-five million, four hundred four thousand, five hundred twenty-seven".