1304305530 has 64 divisors (see below), whose sum is σ = 3498235776. Its totient is φ = 308480000.

The previous prime is 1304305493. The next prime is 1304305543. The reversal of 1304305530 is 355034031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304305530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34671 + ... + 61730.

It is an arithmetic number, because the mean of its divisors is an integer number (54659934).

Almost surely, 2^1304305530 is an apocalyptic number.

1304305530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304305530 is an abundant number, since it is smaller than the sum of its proper divisors (2193930246).

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

1304305530 is a wasteful number, since it uses less digits than its factorization.

1304305530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96463.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 1304305530 is about 36115.1703581750. The cubic root of 1304305530 is about 1092.5964334931.

Adding to 1304305530 its reverse (355034031), we get a palindrome (1659339561).

The spelling of 1304305530 in words is "one billion, three hundred four million, three hundred five thousand, five hundred thirty".