981752195 has 4 divisors (see below), whose sum is σ = 1178102640. Its totient is φ = 785401752.

The previous prime is 981752183. The next prime is 981752201. The reversal of 981752195 is 591257189.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 591257189 = 601 ⋅983789.

It is a cyclic number.

It is not a de Polignac number, because 981752195 - 2²⁴ = 964974979 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98175215 + ... + 98175224.

It is an arithmetic number, because the mean of its divisors is an integer number (294525660).

Almost surely, 2^981752195 is an apocalyptic number.

981752195 is a deficient number, since it is larger than the sum of its proper divisors (196350445).

981752195 is a wasteful number, since it uses less digits than its factorization.

981752195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196350444.

The product of its digits is 226800, while the sum is 47.

The square root of 981752195 is about 31332.9250948583. The cubic root of 981752195 is about 993.8800205916.

The spelling of 981752195 in words is "nine hundred eighty-one million, seven hundred fifty-two thousand, one hundred ninety-five".