195804053 has 2 divisors, whose sum is σ = 195804054. Its totient is φ = 195804052.

The previous prime is 195804047. The next prime is 195804061. The reversal of 195804053 is 350408591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195804049 + 4 = 13993^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 195804053 - 2¹⁰ = 195803029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195804023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97902026 + 97902027.

It is an arithmetic number, because the mean of its divisors is an integer number (97902027).

Almost surely, 2^195804053 is an apocalyptic number.

It is an amenable number.

195804053 is a deficient number, since it is larger than the sum of its proper divisors (1).

195804053 is an equidigital number, since it uses as much as digits as its factorization.

195804053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 195804053 is about 13993.0001429286. Note that the first 3 decimals coincide. The cubic root of 195804053 is about 580.6849349803.

The spelling of 195804053 in words is "one hundred ninety-five million, eight hundred four thousand, fifty-three".