1316541 has 4 divisors (see below), whose sum is σ = 1755392. Its totient is φ = 877692.

The previous prime is 1316537. The next prime is 1316591. The reversal of 1316541 is 1456131.

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 not a de Polignac number, because 1316541 - 2² = 1316537 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219421 + ... + 219426.

It is an arithmetic number, because the mean of its divisors is an integer number (438848).

2^1316541 is an apocalyptic number.

It is an amenable number.

1316541 is a deficient number, since it is larger than the sum of its proper divisors (438851).

1316541 is an equidigital number, since it uses as much as digits as its factorization.

1316541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438850.

The product of its digits is 360, while the sum is 21.

The square root of 1316541 is about 1147.4062053170. The cubic root of 1316541 is about 109.6002293227.

The spelling of 1316541 in words is "one million, three hundred sixteen thousand, five hundred forty-one".