1675641 has 8 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 1015520.

The previous prime is 1675637. The next prime is 1675679. The reversal of 1675641 is 1465761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1675641 - 2² = 1675637 is a prime.

1675641 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1675599 and 1675608.

It is not an unprimeable number, because it can be changed into a prime (1675631) 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 7 ways as a sum of consecutive naturals, for example, 25356 + ... + 25421.

It is an arithmetic number, because the mean of its divisors is an integer number (304668).

2^1675641 is an apocalyptic number.

1675641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1675641 is a deficient number, since it is larger than the sum of its proper divisors (761703).

1675641 is a wasteful number, since it uses less digits than its factorization.

1675641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50791.

The product of its digits is 5040, while the sum is 30.

The square root of 1675641 is about 1294.4655267716. The cubic root of 1675641 is about 118.7755343059.

It can be divided in two parts, 16 and 75641, that added together give a palindrome (75657).

The spelling of 1675641 in words is "one million, six hundred seventy-five thousand, six hundred forty-one".