1331152425 has 18 divisors (see below), whose sum is σ = 2384242302. Its totient is φ = 709947840.

The previous prime is 1331152421. The next prime is 1331152447. The reversal of 1331152425 is 5242511331.

1331152425 is a `hidden beast` number, since 133 + 1 + 1 + 524 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 162333081 + 1168819344 = 12741^2 + 34188^2 .

It is not a de Polignac number, because 1331152425 - 2² = 1331152421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331152421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2957892 + ... + 2958341.

Almost surely, 2^1331152425 is an apocalyptic number.

1331152425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1331152425 is a deficient number, since it is larger than the sum of its proper divisors (1053089877).

1331152425 is a wasteful number, since it uses less digits than its factorization.

1331152425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916249 (or 5916241 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1331152425 is about 36484.9616280462. The cubic root of 1331152425 is about 1100.0419887553.

Adding to 1331152425 its reverse (5242511331), we get a palindrome (6573663756).

The spelling of 1331152425 in words is "one billion, three hundred thirty-one million, one hundred fifty-two thousand, four hundred twenty-five".