905107225 has 27 divisors (see below), whose sum is σ = 1235898111. Its totient is φ = 657056400.

The previous prime is 905107223. The next prime is 905107249. The reversal of 905107225 is 522701509.

The square root of 905107225 is 30085.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 325838601 + 579268624 = 18051^2 + 24068^2 .

It is not a de Polignac number, because 905107225 - 2¹ = 905107223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (905107223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1654402 + ... + 1654948.

Almost surely, 2^905107225 is an apocalyptic number.

905107225 is the 30085-th square number.

905107225 is the 15043-rd centered octagonal number.

It is an amenable number.

905107225 is a deficient number, since it is larger than the sum of its proper divisors (330790886).

905107225 is an equidigital number, since it uses as much as digits as its factorization.

905107225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The cubic root of 905107225 is about 967.3122266665.

The spelling of 905107225 in words is "nine hundred five million, one hundred seven thousand, two hundred twenty-five".