225605061 has 32 divisors (see below), whose sum is σ = 366090240. Its totient is φ = 136177200.

The previous prime is 225605041. The next prime is 225605063. The reversal of 225605061 is 160506522.

It is not a de Polignac number, because 225605061 - 2⁶ = 225604997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225605063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79086 + ... + 81888.

It is an arithmetic number, because the mean of its divisors is an integer number (11440320).

Almost surely, 2^225605061 is an apocalyptic number.

It is an amenable number.

225605061 is a deficient number, since it is larger than the sum of its proper divisors (140485179).

225605061 is a wasteful number, since it uses less digits than its factorization.

225605061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094 (or 3088 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 225605061 is about 15020.1551589855. The cubic root of 225605061 is about 608.7649120530.

The spelling of 225605061 in words is "two hundred twenty-five million, six hundred five thousand, sixty-one".