225481251 has 8 divisors (see below), whose sum is σ = 318326544. Its totient is φ = 141478400.

The previous prime is 225481169. The next prime is 225481271. The reversal of 225481251 is 152184522.

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

It is a cyclic number.

It is not a de Polignac number, because 225481251 - 2¹¹ = 225479203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225481271) 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, 2210550 + ... + 2210651.

It is an arithmetic number, because the mean of its divisors is an integer number (39790818).

Almost surely, 2^225481251 is an apocalyptic number.

225481251 is a deficient number, since it is larger than the sum of its proper divisors (92845293).

225481251 is a wasteful number, since it uses less digits than its factorization.

225481251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421221.

The product of its digits is 6400, while the sum is 30.

The square root of 225481251 is about 15016.0331312900. The cubic root of 225481251 is about 608.6535301314.

The spelling of 225481251 in words is "two hundred twenty-five million, four hundred eighty-one thousand, two hundred fifty-one".