2151673 has 8 divisors (see below), whose sum is σ = 2377728. Its totient is φ = 1936704.

The previous prime is 2151659. The next prime is 2151683. The reversal of 2151673 is 3761512.

2151673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2151673 - 2¹³ = 2143481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151623) 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, 2361 + ... + 3142.

It is an arithmetic number, because the mean of its divisors is an integer number (297216).

2^2151673 is an apocalyptic number.

2151673 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2151673 is a deficient number, since it is larger than the sum of its proper divisors (226055).

2151673 is a wasteful number, since it uses less digits than its factorization.

2151673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543.

The product of its digits is 1260, while the sum is 25.

The square root of 2151673 is about 1466.8582071898. The cubic root of 2151673 is about 129.0997565816.

The spelling of 2151673 in words is "two million, one hundred fifty-one thousand, six hundred seventy-three".