1300000501 has 4 divisors (see below), whose sum is σ = 1368421600. Its totient is φ = 1231579404.

The previous prime is 1300000447. The next prime is 1300000519. The reversal of 1300000501 is 1050000031.

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 not a de Polignac number, because 1300000501 - 2¹⁷ = 1299869429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300000201) 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, 34210521 + ... + 34210558.

It is an arithmetic number, because the mean of its divisors is an integer number (342105400).

Almost surely, 2^1300000501 is an apocalyptic number.

It is an amenable number.

1300000501 is a deficient number, since it is larger than the sum of its proper divisors (68421099).

1300000501 is an equidigital number, since it uses as much as digits as its factorization.

1300000501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68421098.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 1300000501 is about 36055.5197022592. The cubic root of 1300000501 is about 1091.3930232631.

Adding to 1300000501 its reverse (1050000031), we get a palindrome (2350000532).

The spelling of 1300000501 in words is "one billion, three hundred million, five hundred one", and thus it is an aban number.