195896515 has 4 divisors (see below), whose sum is σ = 235075824. Its totient is φ = 156717208.

The previous prime is 195896513. The next prime is 195896527. The reversal of 195896515 is 515698591.

195896515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195896515 - 2¹ = 195896513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195896513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19589647 + ... + 19589656.

It is an arithmetic number, because the mean of its divisors is an integer number (58768956).

Almost surely, 2^195896515 is an apocalyptic number.

195896515 is a deficient number, since it is larger than the sum of its proper divisors (39179309).

195896515 is an equidigital number, since it uses as much as digits as its factorization.

195896515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39179308.

The product of its digits is 486000, while the sum is 49.

The square root of 195896515 is about 13996.3036191703. The cubic root of 195896515 is about 580.7763236936.

The spelling of 195896515 in words is "one hundred ninety-five million, eight hundred ninety-six thousand, five hundred fifteen".