195469237 has 2 divisors, whose sum is σ = 195469238. Its totient is φ = 195469236.

The previous prime is 195469231. The next prime is 195469273. The reversal of 195469237 is 732964591.

It is a happy number.

Together with next prime (195469273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192626641 + 2842596 = 13879^2 + 1686^2 .

It is an emirp because it is prime and its reverse (732964591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195469237 - 2¹⁵ = 195436469 is a prime.

It is a super-2 number, since 2×195469237² = 76416445226724338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195469231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97734618 + 97734619.

It is an arithmetic number, because the mean of its divisors is an integer number (97734619).

Almost surely, 2^195469237 is an apocalyptic number.

It is an amenable number.

195469237 is a deficient number, since it is larger than the sum of its proper divisors (1).

195469237 is an equidigital number, since it uses as much as digits as its factorization.

195469237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 195469237 is about 13981.0313281961. The cubic root of 195469237 is about 580.3537645619.

The spelling of 195469237 in words is "one hundred ninety-five million, four hundred sixty-nine thousand, two hundred thirty-seven".