18195301 has 2 divisors, whose sum is σ = 18195302. Its totient is φ = 18195300.

The previous prime is 18195283. The next prime is 18195311. The reversal of 18195301 is 10359181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14861025 + 3334276 = 3855^2 + 1826^2 .

It is a cyclic number.

It is not a de Polignac number, because 18195301 - 2⁵ = 18195269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18195301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18195311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9097650 + 9097651.

It is an arithmetic number, because the mean of its divisors is an integer number (9097651).

Almost surely, 2^18195301 is an apocalyptic number.

It is an amenable number.

18195301 is a deficient number, since it is larger than the sum of its proper divisors (1).

18195301 is an equidigital number, since it uses as much as digits as its factorization.

18195301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 18195301 is about 4265.5950346933. The cubic root of 18195301 is about 263.0185715560.

It can be divided in two parts, 18195 and 301, that added together give a square (18496 = 136²).

The spelling of 18195301 in words is "eighteen million, one hundred ninety-five thousand, three hundred one".