1995061 has 2 divisors, whose sum is σ = 1995062. Its totient is φ = 1995060.

The previous prime is 1995031. The next prime is 1995073. The reversal of 1995061 is 1605991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1976836 + 18225 = 1406^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1995061 - 2¹³ = 1986869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1995011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997530 + 997531.

It is an arithmetic number, because the mean of its divisors is an integer number (997531).

2^1995061 is an apocalyptic number.

It is an amenable number.

1995061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995061 is an equidigital number, since it uses as much as digits as its factorization.

1995061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 1995061 is about 1412.4662827834. The cubic root of 1995061 is about 125.8883069984. Note that the first 3 decimals are identical.

The spelling of 1995061 in words is "one million, nine hundred ninety-five thousand, sixty-one".