1331452525 has 24 divisors (see below), whose sum is σ = 1780163840. Its totient is φ = 982031040.

The previous prime is 1331452517. The next prime is 1331452541. The reversal of 1331452525 is 5252541331.

It is not a de Polignac number, because 1331452525 - 2³ = 1331452517 is a prime.

It is a congruent number.

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, 335704 + ... + 339646.

Almost surely, 2^1331452525 is an apocalyptic number.

It is an amenable number.

1331452525 is a deficient number, since it is larger than the sum of its proper divisors (448711315).

1331452525 is a wasteful number, since it uses less digits than its factorization.

1331452525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005 (or 5000 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 1331452525 is about 36489.0740496385. The cubic root of 1331452525 is about 1100.1246484092.

Adding to 1331452525 its reverse (5252541331), we get a palindrome (6583993856).

The spelling of 1331452525 in words is "one billion, three hundred thirty-one million, four hundred fifty-two thousand, five hundred twenty-five".