201195913 has 2 divisors, whose sum is σ = 201195914. Its totient is φ = 201195912.

The previous prime is 201195853. The next prime is 201195931. The reversal of 201195913 is 319591102.

It is a happy number.

201195913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (201195931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191905609 + 9290304 = 13853^2 + 3048^2 .

It is a cyclic number.

It is not a de Polignac number, because 201195913 - 2²¹ = 199098761 is a prime.

It is not a weakly prime, because it can be changed into another prime (201195413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100597956 + 100597957.

It is an arithmetic number, because the mean of its divisors is an integer number (100597957).

Almost surely, 2^201195913 is an apocalyptic number.

It is an amenable number.

201195913 is a deficient number, since it is larger than the sum of its proper divisors (1).

201195913 is an equidigital number, since it uses as much as digits as its factorization.

201195913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 201195913 is about 14184.3545147462. The cubic root of 201195913 is about 585.9668556310.

The spelling of 201195913 in words is "two hundred one million, one hundred ninety-five thousand, nine hundred thirteen".