1994953 has 2 divisors, whose sum is σ = 1994954. Its totient is φ = 1994952.

The previous prime is 1994947. The next prime is 1994959. The reversal of 1994953 is 3594991.

It is a balanced prime because it is at equal distance from previous prime (1994947) and next prime (1994959).

It can be written as a sum of positive squares in only one way, i.e., 1710864 + 284089 = 1308^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 1994953 - 2⁹ = 1994441 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1994959) 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 as a sum of consecutive naturals, namely, 997476 + 997477.

It is an arithmetic number, because the mean of its divisors is an integer number (997477).

2^1994953 is an apocalyptic number.

It is an amenable number.

1994953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1994953 is an equidigital number, since it uses as much as digits as its factorization.

1994953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 40.

The square root of 1994953 is about 1412.4280512649. The cubic root of 1994953 is about 125.8860353582.

It can be divided in two parts, 19949 and 53, that added together give a palindrome (20002).

The spelling of 1994953 in words is "one million, nine hundred ninety-four thousand, nine hundred fifty-three".