1305453504 has 84 divisors (see below), whose sum is σ = 3610997096. Its totient is φ = 416199168.

The previous prime is 1305453467. The next prime is 1305453509. The reversal of 1305453504 is 4053545031.

It is a super-2 number, since 2×1305453504² = 3408417702211756032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305453509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95142 + ... + 107994.

Almost surely, 2^1305453504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1305453504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805498548).

1305453504 is an abundant number, since it is smaller than the sum of its proper divisors (2305543592).

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

1305453504 is a wasteful number, since it uses less digits than its factorization.

1305453504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12914 (or 12881 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1305453504 is about 36131.0601006945. The cubic root of 1305453504 is about 1092.9168861452.

Adding to 1305453504 its reverse (4053545031), we get a palindrome (5358998535).

The spelling of 1305453504 in words is "one billion, three hundred five million, four hundred fifty-three thousand, five hundred four".