225284951 has 4 divisors (see below), whose sum is σ = 229103400. Its totient is φ = 221466504.

The previous prime is 225284921. The next prime is 225284981. The reversal of 225284951 is 159482522.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (225284921) and next prime (225284981).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225284951 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 (225284921) 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 3 ways as a sum of consecutive naturals, for example, 1909136 + ... + 1909253.

It is an arithmetic number, because the mean of its divisors is an integer number (57275850).

Almost surely, 2^225284951 is an apocalyptic number.

225284951 is a deficient number, since it is larger than the sum of its proper divisors (3818449).

225284951 is an equidigital number, since it uses as much as digits as its factorization.

225284951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818448.

The product of its digits is 57600, while the sum is 38.

The square root of 225284951 is about 15009.4953612705. The cubic root of 225284951 is about 608.4768511744.

The spelling of 225284951 in words is "two hundred twenty-five million, two hundred eighty-four thousand, nine hundred fifty-one".