1670541 has 8 divisors (see below), whose sum is σ = 2254560. Its totient is φ = 1100112.

The previous prime is 1670533. The next prime is 1670551. The reversal of 1670541 is 1450761.

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

It is not a de Polignac number, because 1670541 - 2³ = 1670533 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (281820).

2^1670541 is an apocalyptic number.

It is an amenable number.

1670541 is a deficient number, since it is larger than the sum of its proper divisors (584019).

1670541 is an equidigital number, since it uses as much as digits as its factorization.

1670541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1670541 is about 1292.4941005668. The cubic root of 1670541 is about 118.6549096559.

It can be divided in two parts, 1670 and 541, that added together give a triangular number (2211 = T₆₆).

The spelling of 1670541 in words is "one million, six hundred seventy thousand, five hundred forty-one".