195953461 has 4 divisors (see below), whose sum is σ = 213767424. Its totient is φ = 178139500.

The previous prime is 195953447. The next prime is 195953489. The reversal of 195953461 is 164359591.

195953461 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 195953461 - 2²¹ = 193856309 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 (195953431) 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, 8906965 + ... + 8906986.

It is an arithmetic number, because the mean of its divisors is an integer number (53441856).

Almost surely, 2^195953461 is an apocalyptic number.

195953461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

195953461 is a deficient number, since it is larger than the sum of its proper divisors (17813963).

195953461 is a wasteful number, since it uses less digits than its factorization.

195953461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17813962.

The product of its digits is 145800, while the sum is 43.

The square root of 195953461 is about 13998.3377941811. The cubic root of 195953461 is about 580.8325943634.

The spelling of 195953461 in words is "one hundred ninety-five million, nine hundred fifty-three thousand, four hundred sixty-one".