225361651 has 8 divisors (see below), whose sum is σ = 229455360. Its totient is φ = 221277192.

The previous prime is 225361637. The next prime is 225361691. The reversal of 225361651 is 156163522.

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 225361651 - 2⁹ = 225361139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225361621) 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, 63346 + ... + 66808.

It is an arithmetic number, because the mean of its divisors is an integer number (28681920).

Almost surely, 2^225361651 is an apocalyptic number.

225361651 is a deficient number, since it is larger than the sum of its proper divisors (4093709).

225361651 is a wasteful number, since it uses less digits than its factorization.

225361651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625.

The product of its digits is 10800, while the sum is 31.

The square root of 225361651 is about 15012.0501930949. The cubic root of 225361651 is about 608.5458968857.

The spelling of 225361651 in words is "two hundred twenty-five million, three hundred sixty-one thousand, six hundred fifty-one".