225724953 has 8 divisors (see below), whose sum is σ = 303779808. Its totient is φ = 149076704.

The previous prime is 225724913. The next prime is 225724957. The reversal of 225724953 is 359427522.

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 225724953 - 2²¹ = 223627801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225724957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351276 + ... + 351917.

It is an arithmetic number, because the mean of its divisors is an integer number (37972476).

Almost surely, 2^225724953 is an apocalyptic number.

It is an amenable number.

225724953 is a deficient number, since it is larger than the sum of its proper divisors (78054855).

225724953 is a wasteful number, since it uses less digits than its factorization.

225724953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703303.

The product of its digits is 151200, while the sum is 39.

The square root of 225724953 is about 15024.1456662267. The cubic root of 225724953 is about 608.8727304348.

The spelling of 225724953 in words is "two hundred twenty-five million, seven hundred twenty-four thousand, nine hundred fifty-three".