1152225425 has 24 divisors (see below), whose sum is σ = 1540344120. Its totient is φ = 849945600.

The previous prime is 1152225421. The next prime is 1152225427. The reversal of 1152225425 is 5245222511.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1044647041 + 107578384 = 32321^2 + 10372^2 .

It is not a de Polignac number, because 1152225425 - 2² = 1152225421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152225421) 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, 482735 + ... + 485115.

It is an arithmetic number, because the mean of its divisors is an integer number (64181005).

Almost surely, 2^1152225425 is an apocalyptic number.

It is an amenable number.

1152225425 is a deficient number, since it is larger than the sum of its proper divisors (388118695).

1152225425 is a wasteful number, since it uses less digits than its factorization.

1152225425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893 (or 3888 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 1152225425 is about 33944.4461583924. The cubic root of 1152225425 is about 1048.3649306116.

Adding to 1152225425 its reverse (5245222511), we get a palindrome (6397447936).

The spelling of 1152225425 in words is "one billion, one hundred fifty-two million, two hundred twenty-five thousand, four hundred twenty-five".