1043312225 has 24 divisors (see below), whose sum is σ = 1330718400. Its totient is φ = 810976320.

The previous prime is 1043312213. The next prime is 1043312227. The reversal of 1043312225 is 5222133401.

It is not a de Polignac number, because 1043312225 - 2²⁴ = 1026535009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043312225.

It is not an unprimeable number, because it can be changed into a prime (1043312227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211487 + ... + 216363.

It is an arithmetic number, because the mean of its divisors is an integer number (55446600).

Almost surely, 2^1043312225 is an apocalyptic number.

It is an amenable number.

1043312225 is a deficient number, since it is larger than the sum of its proper divisors (287406175).

1043312225 is a wasteful number, since it uses less digits than its factorization.

1043312225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129 (or 5124 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1043312225 is about 32300.3440384154. The cubic root of 1043312225 is about 1014.2338447275.

Adding to 1043312225 its reverse (5222133401), we get a palindrome (6265445626).

The spelling of 1043312225 in words is "one billion, forty-three million, three hundred twelve thousand, two hundred twenty-five".