1331153425 has 24 divisors (see below), whose sum is σ = 1889847296. Its totient is φ = 911139840.

The previous prime is 1331153399. The next prime is 1331153441. The reversal of 1331153425 is 5243511331.

It is a happy number.

It is not a de Polignac number, because 1331153425 - 2⁵ = 1331153393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331153393 and 1331153402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94384 + ... + 107566.

Almost surely, 2^1331153425 is an apocalyptic number.

It is an amenable number.

1331153425 is a deficient number, since it is larger than the sum of its proper divisors (558693871).

1331153425 is a wasteful number, since it uses less digits than its factorization.

1331153425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13777 (or 13772 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 1331153425 is about 36484.9753323200. The cubic root of 1331153425 is about 1100.0422642163.

Adding to 1331153425 its reverse (5243511331), we get a palindrome (6574664756).

The spelling of 1331153425 in words is "one billion, three hundred thirty-one million, one hundred fifty-three thousand, four hundred twenty-five".