1304310252 has 48 divisors (see below), whose sum is σ = 3661226240. Its totient is φ = 353045952.

The previous prime is 1304310221. The next prime is 1304310269. The reversal of 1304310252 is 2520134031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407023 + ... + 410214.

Almost surely, 2^1304310252 is an apocalyptic number.

1304310252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304310252 is an abundant number, since it is smaller than the sum of its proper divisors (2356915988).

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

1304310252 is a wasteful number, since it uses less digits than its factorization.

1304310252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817270 (or 817268 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1304310252 is about 36115.2357323056. The cubic root of 1304310252 is about 1092.5977520068.

Adding to 1304310252 its reverse (2520134031), we get a palindrome (3824444283).

The spelling of 1304310252 in words is "one billion, three hundred four million, three hundred ten thousand, two hundred fifty-two".