1045784231 has 2 divisors, whose sum is σ = 1045784232. Its totient is φ = 1045784230.

The previous prime is 1045784213. The next prime is 1045784237. The reversal of 1045784231 is 1324875401.

Together with previous prime (1045784213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1324875401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1045784231 - 2²⁶ = 978675367 is a prime.

It is a super-2 number, since 2×1045784231² = 2187329315616522722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1045784191 and 1045784200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045784237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522892115 + 522892116.

It is an arithmetic number, because the mean of its divisors is an integer number (522892116).

Almost surely, 2^1045784231 is an apocalyptic number.

1045784231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045784231 is an equidigital number, since it uses as much as digits as its factorization.

1045784231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1045784231 is about 32338.5873377301. The cubic root of 1045784231 is about 1015.0342489677.

The spelling of 1045784231 in words is "one billion, forty-five million, seven hundred eighty-four thousand, two hundred thirty-one".