1580413 has 4 divisors (see below), whose sum is σ = 1634940. Its totient is φ = 1525888.

The previous prime is 1580393. The next prime is 1580417. The reversal of 1580413 is 3140851.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 700569 + 879844 = 837^2 + 938^2 .

It is a cyclic number.

It is not a de Polignac number, because 1580413 - 2⁹ = 1579901 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1580417) 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, 27220 + ... + 27277.

It is an arithmetic number, because the mean of its divisors is an integer number (408735).

2^1580413 is an apocalyptic number.

It is an amenable number.

1580413 is a deficient number, since it is larger than the sum of its proper divisors (54527).

1580413 is an equidigital number, since it uses as much as digits as its factorization.

1580413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54526.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1580413 is about 1257.1447808427. The cubic root of 1580413 is about 116.4814758073.

The spelling of 1580413 in words is "one million, five hundred eighty thousand, four hundred thirteen".