195513115 has 8 divisors (see below), whose sum is σ = 268132320. Its totient is φ = 134066112.

The previous prime is 195513089. The next prime is 195513119. The reversal of 195513115 is 511315591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195513115 - 2⁷ = 195512987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195513119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2793010 + ... + 2793079.

It is an arithmetic number, because the mean of its divisors is an integer number (33516540).

Almost surely, 2^195513115 is an apocalyptic number.

195513115 is a deficient number, since it is larger than the sum of its proper divisors (72619205).

195513115 is an equidigital number, since it uses as much as digits as its factorization.

195513115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586101.

The product of its digits is 3375, while the sum is 31.

The square root of 195513115 is about 13982.6004376868. The cubic root of 195513115 is about 580.3971863260.

The spelling of 195513115 in words is "one hundred ninety-five million, five hundred thirteen thousand, one hundred fifteen".