1631041 has 4 divisors (see below), whose sum is σ = 1665792. Its totient is φ = 1596292.

The previous prime is 1631029. The next prime is 1631051. The reversal of 1631041 is 1401361.

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 a cyclic number.

It is not a de Polignac number, because 1631041 - 2⁷ = 1630913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1631051) 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, 17305 + ... + 17398.

It is an arithmetic number, because the mean of its divisors is an integer number (416448).

2^1631041 is an apocalyptic number.

It is an amenable number.

1631041 is a deficient number, since it is larger than the sum of its proper divisors (34751).

1631041 is an equidigital number, since it uses as much as digits as its factorization.

1631041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34750.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1631041 is about 1277.1221554730. The cubic root of 1631041 is about 117.7122405121.

The spelling of 1631041 in words is "one million, six hundred thirty-one thousand, forty-one".