1995827 has 2 divisors, whose sum is σ = 1995828. Its totient is φ = 1995826.

The previous prime is 1995797. The next prime is 1995841. The reversal of 1995827 is 7285991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1995827 is a prime.

It is a super-5 number, since 5×1995827⁵ (a number of 33 digits) contains 55555 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1995857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997913 + 997914.

It is an arithmetic number, because the mean of its divisors is an integer number (997914).

2^1995827 is an apocalyptic number.

1995827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995827 is an equidigital number, since it uses as much as digits as its factorization.

1995827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 1995827 is about 1412.7374136760. The cubic root of 1995827 is about 125.9044164648.

The spelling of 1995827 in words is "one million, nine hundred ninety-five thousand, eight hundred twenty-seven".