225132551 has 8 divisors (see below), whose sum is σ = 260918784. Its totient is φ = 190252440.

The previous prime is 225132521. The next prime is 225132553. The reversal of 225132551 is 155231522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-225132551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225132551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225132553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225995 + ... + 226988.

It is an arithmetic number, because the mean of its divisors is an integer number (32614848).

Almost surely, 2^225132551 is an apocalyptic number.

225132551 is a deficient number, since it is larger than the sum of its proper divisors (35786233).

225132551 is an equidigital number, since it uses as much as digits as its factorization.

225132551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453061.

The product of its digits is 3000, while the sum is 26.

The square root of 225132551 is about 15004.4177161261. The cubic root of 225132551 is about 608.3396134378.

The spelling of 225132551 in words is "two hundred twenty-five million, one hundred thirty-two thousand, five hundred fifty-one".