1304273532 has 24 divisors (see below), whose sum is σ = 3125557456. Its totient is φ = 423007488.

The previous prime is 1304273527. The next prime is 1304273533. The reversal of 1304273532 is 2353724031.

It is a super-3 number, since 3×1304273532³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1304273532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304273533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468333 + ... + 1469220.

Almost surely, 2^1304273532 is an apocalyptic number.

1304273532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304273532 is an abundant number, since it is smaller than the sum of its proper divisors (1821283924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304273532 is a wasteful number, since it uses less digits than its factorization.

1304273532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937597 (or 2937595 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 1304273532 is about 36114.7273560247. The cubic root of 1304273532 is about 1092.5874986779.

Adding to 1304273532 its reverse (2353724031), we get a palindrome (3657997563).

The spelling of 1304273532 in words is "one billion, three hundred four million, two hundred seventy-three thousand, five hundred thirty-two".