1305030452 has 24 divisors (see below), whose sum is σ = 2495180352. Its totient is φ = 592300800.

The previous prime is 1305030413. The next prime is 1305030457. The reversal of 1305030452 is 2540305031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305030457) 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, 7577 + ... + 51647.

It is an arithmetic number, because the mean of its divisors is an integer number (103965848).

Almost surely, 2^1305030452 is an apocalyptic number.

It is an amenable number.

1305030452 is a deficient number, since it is larger than the sum of its proper divisors (1190149900).

1305030452 is a wasteful number, since it uses less digits than its factorization.

1305030452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44759 (or 44757 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1305030452 is about 36125.2052174102. The cubic root of 1305030452 is about 1092.7988146278.

Adding to 1305030452 its reverse (2540305031), we get a palindrome (3845335483).

The spelling of 1305030452 in words is "one billion, three hundred five million, thirty thousand, four hundred fifty-two".