1303500001 has 4 divisors (see below), whose sum is σ = 1315682352. Its totient is φ = 1291317652.

The previous prime is 1303499987. The next prime is 1303500043. The reversal of 1303500001 is 1000053031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1000053031 = 503 ⋅1988177.

It is a cyclic number.

It is not a de Polignac number, because 1303500001 - 2⁵ = 1303499969 is a prime.

It is a super-2 number, since 2×1303500001² = 3398224505214000002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303500071) 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, 6091015 + ... + 6091228.

It is an arithmetic number, because the mean of its divisors is an integer number (328920588).

Almost surely, 2^1303500001 is an apocalyptic number.

It is an amenable number.

1303500001 is a deficient number, since it is larger than the sum of its proper divisors (12182351).

1303500001 is a wasteful number, since it uses less digits than its factorization.

1303500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12182350.

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

The square root of 1303500001 is about 36104.0164109203. The cubic root of 1303500001 is about 1092.3714608061.

Adding to 1303500001 its reverse (1000053031), we get a palindrome (2303553032).

The spelling of 1303500001 in words is "one billion, three hundred three million, five hundred thousand, one".