1580113 has 4 divisors (see below), whose sum is σ = 1583460. Its totient is φ = 1576768.

The previous prime is 1580107. The next prime is 1580119. The reversal of 1580113 is 3110851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3110851 = 19 ⋅163729.

It is an interprime number because it is at equal distance from previous prime (1580107) and next prime (1580119).

It can be written as a sum of positive squares in 2 ways, for example, as 253009 + 1327104 = 503^2 + 1152^2 .

It is a cyclic number.

It is not a de Polignac number, because 1580113 - 2⁵ = 1580081 is a prime.

It is a Duffinian number.

1580113 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1580119) 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, 820 + ... + 1957.

It is an arithmetic number, because the mean of its divisors is an integer number (395865).

2^1580113 is an apocalyptic number.

It is an amenable number.

1580113 is a deficient number, since it is larger than the sum of its proper divisors (3347).

1580113 is an equidigital number, since it uses as much as digits as its factorization.

1580113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1580113 is about 1257.0254571806. The cubic root of 1580113 is about 116.4741050221.

Adding to 1580113 its reverse (3110851), we get a palindrome (4690964).

The spelling of 1580113 in words is "one million, five hundred eighty thousand, one hundred thirteen".