185245201 has 2 divisors, whose sum is σ = 185245202. Its totient is φ = 185245200.

The previous prime is 185245187. The next prime is 185245213. The reversal of 185245201 is 102542581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162435025 + 22810176 = 12745^2 + 4776^2 .

It is a cyclic number.

It is not a de Polignac number, because 185245201 - 2⁵ = 185245169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 185245201.

It is not a weakly prime, because it can be changed into another prime (185245261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92622600 + 92622601.

It is an arithmetic number, because the mean of its divisors is an integer number (92622601).

Almost surely, 2^185245201 is an apocalyptic number.

It is an amenable number.

185245201 is a deficient number, since it is larger than the sum of its proper divisors (1).

185245201 is an equidigital number, since it uses as much as digits as its factorization.

185245201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 185245201 is about 13610.4812920043. The cubic root of 185245201 is about 570.0535509347.

Adding to 185245201 its reverse (102542581), we get a palindrome (287787782).

The spelling of 185245201 in words is "one hundred eighty-five million, two hundred forty-five thousand, two hundred one".