195448513 has 8 divisors (see below), whose sum is σ = 214962048. Its totient is φ = 176574864.

The previous prime is 195448493. The next prime is 195448531. The reversal of 195448513 is 315844591.

195448513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 195448513 - 2⁵ = 195448481 is a prime.

It is a super-2 number, since 2×195448513² = 76400242467822338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195448543) 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, 159331 + ... + 160552.

It is an arithmetic number, because the mean of its divisors is an integer number (26870256).

Almost surely, 2^195448513 is an apocalyptic number.

195448513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

195448513 is a deficient number, since it is larger than the sum of its proper divisors (19513535).

195448513 is a wasteful number, since it uses less digits than its factorization.

195448513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319943.

The product of its digits is 86400, while the sum is 40.

The square root of 195448513 is about 13980.2901615095. The cubic root of 195448513 is about 580.3332537871. Note that the first 3 decimals are identical.

The spelling of 195448513 in words is "one hundred ninety-five million, four hundred forty-eight thousand, five hundred thirteen".