1331364525 has 24 divisors (see below), whose sum is σ = 2260685664. Its totient is φ = 690868800.

The previous prime is 1331364521. The next prime is 1331364547. The reversal of 1331364525 is 5254631331.

1331364525 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1331364525 - 2² = 1331364521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331364521) 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, 237111 + ... + 242660.

It is an arithmetic number, because the mean of its divisors is an integer number (94195236).

Almost surely, 2^1331364525 is an apocalyptic number.

1331364525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1331364525 is a deficient number, since it is larger than the sum of its proper divisors (929321139).

1331364525 is a wasteful number, since it uses less digits than its factorization.

1331364525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479821 (or 479816 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 1331364525 is about 36487.8681893037. The cubic root of 1331364525 is about 1100.1004109441.

Adding to 1331364525 its reverse (5254631331), we get a palindrome (6585995856).

The spelling of 1331364525 in words is "one billion, three hundred thirty-one million, three hundred sixty-four thousand, five hundred twenty-five".