1954563 has 16 divisors (see below), whose sum is σ = 2929920. Its totient is φ = 1149984.

The previous prime is 1954553. The next prime is 1954573. The reversal of 1954563 is 3654591.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1954553) and next prime (1954573).

It is not a de Polignac number, because 1954563 - 2⁵ = 1954531 is a prime.

It is a d-powerful number, because it can be written as 1 + 9 + 5³ + 4⁵ + 5⁹ + 6² + 3⁵ .

1954563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1954523) 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 15 ways as a sum of consecutive naturals, for example, 193 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (183120).

2^1954563 is an apocalyptic number.

1954563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1954563 is a deficient number, since it is larger than the sum of its proper divisors (975357).

1954563 is a wasteful number, since it uses less digits than its factorization.

1954563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218.

The product of its digits is 16200, while the sum is 33.

The square root of 1954563 is about 1398.0568657962. The cubic root of 1954563 is about 125.0306698076.

The spelling of 1954563 in words is "one million, nine hundred fifty-four thousand, five hundred sixty-three".