225151261 has 8 divisors (see below), whose sum is σ = 229630464. Its totient is φ = 220680720.

The previous prime is 225151243. The next prime is 225151271. The reversal of 225151261 is 162151522.

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 225151261 - 2⁷ = 225151133 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 (225151211) 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, 81696 + ... + 84406.

It is an arithmetic number, because the mean of its divisors is an integer number (28703808).

Almost surely, 2^225151261 is an apocalyptic number.

It is an amenable number.

225151261 is a deficient number, since it is larger than the sum of its proper divisors (4479203).

225151261 is a wasteful number, since it uses less digits than its factorization.

225151261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331.

The product of its digits is 1200, while the sum is 25.

The square root of 225151261 is about 15005.0411862147. The cubic root of 225151261 is about 608.3564653158.

The spelling of 225151261 in words is "two hundred twenty-five million, one hundred fifty-one thousand, two hundred sixty-one".