945284231 has 2 divisors, whose sum is σ = 945284232. Its totient is φ = 945284230.

The previous prime is 945284113. The next prime is 945284237. The reversal of 945284231 is 132482549.

It is a strong prime.

It is an emirp because it is prime and its reverse (132482549) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945284231 is a prime.

It is a super-2 number, since 2×945284231² = 1787124554754522722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945284237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472642115 + 472642116.

It is an arithmetic number, because the mean of its divisors is an integer number (472642116).

Almost surely, 2^945284231 is an apocalyptic number.

945284231 is a deficient number, since it is larger than the sum of its proper divisors (1).

945284231 is an equidigital number, since it uses as much as digits as its factorization.

945284231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 945284231 is about 30745.4749678713. The cubic root of 945284231 is about 981.4182682154.

The spelling of 945284231 in words is "nine hundred forty-five million, two hundred eighty-four thousand, two hundred thirty-one".