843272245 has 4 divisors (see below), whose sum is σ = 1011926700. Its totient is φ = 674617792.

The previous prime is 843272219. The next prime is 843272279. The reversal of 843272245 is 542272348.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272349009 + 570923236 = 16503^2 + 23894^2 .

It is a cyclic number.

It is not a de Polignac number, because 843272245 - 2⁹ = 843271733 is a prime.

It is a super-2 number, since 2×843272245² = 1422216158374680050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84327220 + ... + 84327229.

It is an arithmetic number, because the mean of its divisors is an integer number (252981675).

Almost surely, 2^843272245 is an apocalyptic number.

It is an amenable number.

843272245 is a deficient number, since it is larger than the sum of its proper divisors (168654455).

843272245 is a wasteful number, since it uses less digits than its factorization.

843272245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168654454.

The product of its digits is 107520, while the sum is 37.

The square root of 843272245 is about 29039.1502113956. The cubic root of 843272245 is about 944.7624030574.

The spelling of 843272245 in words is "eight hundred forty-three million, two hundred seventy-two thousand, two hundred forty-five".