305001013 has 4 divisors (see below), whose sum is σ = 308675808. Its totient is φ = 301326220.

The previous prime is 305001007. The next prime is 305001023. The reversal of 305001013 is 310100503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305001013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305000984 and 305001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305001023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837273 + ... + 1837438.

It is an arithmetic number, because the mean of its divisors is an integer number (77168952).

Almost surely, 2^305001013 is an apocalyptic number.

It is an amenable number.

305001013 is a deficient number, since it is larger than the sum of its proper divisors (3674795).

305001013 is an equidigital number, since it uses as much as digits as its factorization.

305001013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674794.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 305001013 is about 17464.2781986545. The cubic root of 305001013 is about 673.1322949522.

Adding to 305001013 its reverse (310100503), we get a palindrome (615101516).

It can be divided in two parts, 30500 and 1013, that added together give a palindrome (31513).

The spelling of 305001013 in words is "three hundred five million, one thousand, thirteen".