225132151 has 4 divisors (see below), whose sum is σ = 228822904. Its totient is φ = 221441400.

The previous prime is 225132143. The next prime is 225132169. The reversal of 225132151 is 151231522.

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

It is a cyclic number.

It is not a de Polignac number, because 225132151 - 2³ = 225132143 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 (225132251) 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, 1845285 + ... + 1845406.

It is an arithmetic number, because the mean of its divisors is an integer number (57205726).

Almost surely, 2^225132151 is an apocalyptic number.

225132151 is a deficient number, since it is larger than the sum of its proper divisors (3690753).

225132151 is an equidigital number, since it uses as much as digits as its factorization.

225132151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690752.

The product of its digits is 600, while the sum is 22.

The square root of 225132151 is about 15004.4043867126. The cubic root of 225132151 is about 608.3392531523.

Adding to 225132151 its reverse (151231522), we get a palindrome (376363673).

The spelling of 225132151 in words is "two hundred twenty-five million, one hundred thirty-two thousand, one hundred fifty-one".