2265739571 has 2 divisors, whose sum is σ = 2265739572. Its totient is φ = 2265739570.

The previous prime is 2265739543. The next prime is 2265739589. The reversal of 2265739571 is 1759375622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2265739571 - 2²² = 2261545267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2265739271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132869785 + 1132869786.

It is an arithmetic number, because the mean of its divisors is an integer number (1132869786).

Almost surely, 2^2265739571 is an apocalyptic number.

2265739571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265739571 is an equidigital number, since it uses as much as digits as its factorization.

2265739571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 47.

The square root of 2265739571 is about 47599.7854091802. The cubic root of 2265739571 is about 1313.4191069249.

The spelling of 2265739571 in words is "two billion, two hundred sixty-five million, seven hundred thirty-nine thousand, five hundred seventy-one".