225001005 has 8 divisors (see below), whose sum is σ = 360001632. Its totient is φ = 120000528.

The previous prime is 225000977. The next prime is 225001009. The reversal of 225001005 is 500100522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225001005 - 2¹¹ = 224998957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 15000067 = 225001005 / (2 + 2 + 5 + 0 + 0 + 1 + 0 + 0 + 5).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225001009) 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, 7500019 + ... + 7500048.

It is an arithmetic number, because the mean of its divisors is an integer number (45000204).

Almost surely, 2^225001005 is an apocalyptic number.

It is an amenable number.

225001005 is a deficient number, since it is larger than the sum of its proper divisors (135000627).

225001005 is a wasteful number, since it uses less digits than its factorization.

225001005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000075.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 225001005 is about 15000.0334999626. The cubic root of 225001005 is about 608.2211051283.

Adding to 225001005 its reverse (500100522), we get a palindrome (725101527).

The spelling of 225001005 in words is "two hundred twenty-five million, one thousand, five".