195471013 has 4 divisors (see below), whose sum is σ = 195500908. Its totient is φ = 195441120.

The previous prime is 195471011. The next prime is 195471041. The reversal of 195471013 is 310174591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310174591 = 73 ⋅4248967.

It can be written as a sum of positive squares in 2 ways, for example, as 31169889 + 164301124 = 5583^2 + 12818^2 .

It is a cyclic number.

It is not a de Polignac number, because 195471013 - 2¹ = 195471011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195471011) 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, 456 + ... + 19777.

It is an arithmetic number, because the mean of its divisors is an integer number (48875227).

Almost surely, 2^195471013 is an apocalyptic number.

It is an amenable number.

195471013 is a deficient number, since it is larger than the sum of its proper divisors (29895).

195471013 is an equidigital number, since it uses as much as digits as its factorization.

195471013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29894.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 195471013 is about 13981.0948426795. The cubic root of 195471013 is about 580.3555222215.

The spelling of 195471013 in words is "one hundred ninety-five million, four hundred seventy-one thousand, thirteen".