969771245 has 4 divisors (see below), whose sum is σ = 1163725500. Its totient is φ = 775816992.

The previous prime is 969771211. The next prime is 969771247. The reversal of 969771245 is 542177969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542177969 = 53 ⋅10229773.

It can be written as a sum of positive squares in 2 ways, for example, as 106234249 + 863536996 = 10307^2 + 29386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-969771245 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 969771193 and 969771202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969771247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96977120 + ... + 96977129.

It is an arithmetic number, because the mean of its divisors is an integer number (290931375).

Almost surely, 2^969771245 is an apocalyptic number.

It is an amenable number.

969771245 is a deficient number, since it is larger than the sum of its proper divisors (193954255).

969771245 is a wasteful number, since it uses less digits than its factorization.

969771245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193954254.

The product of its digits is 952560, while the sum is 50.

The square root of 969771245 is about 31141.1503480523. The cubic root of 969771245 is about 989.8204772599.

The spelling of 969771245 in words is "nine hundred sixty-nine million, seven hundred seventy-one thousand, two hundred forty-five".