1305245424 has 40 divisors (see below), whose sum is σ = 3853582720. Its totient is φ = 372927168.

The previous prime is 1305245419. The next prime is 1305245429. The reversal of 1305245424 is 4245425031.

It is an interprime number because it is at equal distance from previous prime (1305245419) and next prime (1305245429).

It is a junction number, because it is equal to n+sod(n) for n = 1305245391 and 1305245400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305245429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941994 + ... + 1942665.

It is an arithmetic number, because the mean of its divisors is an integer number (96339568).

Almost surely, 2^1305245424 is an apocalyptic number.

1305245424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1305245424 is an abundant number, since it is smaller than the sum of its proper divisors (2548337296).

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

1305245424 is a wasteful number, since it uses less digits than its factorization.

1305245424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884677 (or 3884671 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1305245424 is about 36128.1804689912. The cubic root of 1305245424 is about 1092.8588153346.

The spelling of 1305245424 in words is "one billion, three hundred five million, two hundred forty-five thousand, four hundred twenty-four".