1954163 has 4 divisors (see below), whose sum is σ = 1991088. Its totient is φ = 1917240.

The previous prime is 1954159. The next prime is 1954177. The reversal of 1954163 is 3614591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1954163 - 2² = 1954159 is a prime.

It is a d-powerful number, because it can be written as 1 + 9³ + 5⁹ + 4³ + 1 + 6³ + 3³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1954153) 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 3 ways as a sum of consecutive naturals, for example, 18383 + ... + 18488.

It is an arithmetic number, because the mean of its divisors is an integer number (497772).

2^1954163 is an apocalyptic number.

1954163 is a deficient number, since it is larger than the sum of its proper divisors (36925).

1954163 is an equidigital number, since it uses as much as digits as its factorization.

1954163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36924.

The product of its digits is 3240, while the sum is 29.

The square root of 1954163 is about 1397.9138027790. The cubic root of 1954163 is about 125.0221400783.

The spelling of 1954163 in words is "one million, nine hundred fifty-four thousand, one hundred sixty-three".