1995473 has 2 divisors, whose sum is σ = 1995474. Its totient is φ = 1995472.

The previous prime is 1995449. The next prime is 1995481. The reversal of 1995473 is 3745991.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1399489 + 595984 = 1183^2 + 772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1995473 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1995073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997736 + 997737.

It is an arithmetic number, because the mean of its divisors is an integer number (997737).

2^1995473 is an apocalyptic number.

It is an amenable number.

1995473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995473 is an equidigital number, since it uses as much as digits as its factorization.

1995473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 1995473 is about 1412.6121194440. The cubic root of 1995473 is about 125.8969721324.

The spelling of 1995473 in words is "one million, nine hundred ninety-five thousand, four hundred seventy-three".