225164541 has 16 divisors (see below), whose sum is σ = 363291264. Its totient is φ = 121096704.

The previous prime is 225164521. The next prime is 225164581. The reversal of 225164541 is 145461522.

It is not a de Polignac number, because 225164541 - 2⁶ = 225164477 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225164499 and 225164508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225164521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315000 + ... + 315713.

It is an arithmetic number, because the mean of its divisors is an integer number (22705704).

Almost surely, 2^225164541 is an apocalyptic number.

225164541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

225164541 is a deficient number, since it is larger than the sum of its proper divisors (138126723).

225164541 is a wasteful number, since it uses less digits than its factorization.

225164541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630740.

The product of its digits is 9600, while the sum is 30.

The square root of 225164541 is about 15005.4836976353. The cubic root of 225164541 is about 608.3684258899.

The spelling of 225164541 in words is "two hundred twenty-five million, one hundred sixty-four thousand, five hundred forty-one".