1313541501 has 4 divisors (see below), whose sum is σ = 1751388672. Its totient is φ = 875694332.

The previous prime is 1313541473. The next prime is 1313541529. The reversal of 1313541501 is 1051453131.

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 an interprime number because it is at equal distance from previous prime (1313541473) and next prime (1313541529).

It is a cyclic number.

It is not a de Polignac number, because 1313541501 - 2⁵ = 1313541469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313541001) 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 3 ways as a sum of consecutive naturals, for example, 218923581 + ... + 218923586.

It is an arithmetic number, because the mean of its divisors is an integer number (437847168).

Almost surely, 2^1313541501 is an apocalyptic number.

It is an amenable number.

1313541501 is a deficient number, since it is larger than the sum of its proper divisors (437847171).

1313541501 is an equidigital number, since it uses as much as digits as its factorization.

1313541501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437847170.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1313541501 is about 36242.8130944605. The cubic root of 1313541501 is about 1095.1693130736.

Adding to 1313541501 its reverse (1051453131), we get a palindrome (2364994632).

The spelling of 1313541501 in words is "one billion, three hundred thirteen million, five hundred forty-one thousand, five hundred one".