1580941 has 4 divisors (see below), whose sum is σ = 1584000. Its totient is φ = 1577884.

The previous prime is 1580923. The next prime is 1580959. The reversal of 1580941 is 1490851.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1490851 = 317 ⋅4703.

It is an interprime number because it is at equal distance from previous prime (1580923) and next prime (1580959).

It is a cyclic number.

It is not a de Polignac number, because 1580941 - 2⁹ = 1580429 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 (1580911) 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, 541 + ... + 1858.

It is an arithmetic number, because the mean of its divisors is an integer number (396000).

2^1580941 is an apocalyptic number.

It is an amenable number.

1580941 is a deficient number, since it is larger than the sum of its proper divisors (3059).

1580941 is an equidigital number, since it uses as much as digits as its factorization.

1580941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1580941 is about 1257.3547629846. The cubic root of 1580941 is about 116.4944461240.

The spelling of 1580941 in words is "one million, five hundred eighty thousand, nine hundred forty-one".