195213355 has 32 divisors (see below), whose sum is σ = 252771840. Its totient is φ = 144399360.

The previous prime is 195213331. The next prime is 195213371. The reversal of 195213355 is 553312591.

195213355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-195213355 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195213355.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615657 + ... + 615973.

It is an arithmetic number, because the mean of its divisors is an integer number (7899120).

Almost surely, 2^195213355 is an apocalyptic number.

195213355 is a deficient number, since it is larger than the sum of its proper divisors (57558485).

195213355 is a wasteful number, since it uses less digits than its factorization.

195213355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its digits is 20250, while the sum is 34.

The square root of 195213355 is about 13971.8772897560. The cubic root of 195213355 is about 580.1004136492.

The spelling of 195213355 in words is "one hundred ninety-five million, two hundred thirteen thousand, three hundred fifty-five".