1305013550 has 12 divisors (see below), whose sum is σ = 2427325296. Its totient is φ = 522005400.

The previous prime is 1305013547. The next prime is 1305013553. The reversal of 1305013550 is 553105031.

It is an interprime number because it is at equal distance from previous prime (1305013547) and next prime (1305013553).

1305013550 is a modest number, since divided by 13550 gives 13050 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305013553) 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 5 ways as a sum of consecutive naturals, for example, 13050086 + ... + 13050185.

It is an arithmetic number, because the mean of its divisors is an integer number (202277108).

Almost surely, 2^1305013550 is an apocalyptic number.

1305013550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305013550 is a deficient number, since it is larger than the sum of its proper divisors (1122311746).

1305013550 is a wasteful number, since it uses less digits than its factorization.

1305013550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26100283 (or 26100278 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 1305013550 is about 36124.9712802654. The cubic root of 1305013550 is about 1092.7940968412.

Adding to 1305013550 its reverse (553105031), we get a palindrome (1858118581).

The spelling of 1305013550 in words is "one billion, three hundred five million, thirteen thousand, five hundred fifty".