2258523647 has 2 divisors, whose sum is σ = 2258523648. Its totient is φ = 2258523646.

The previous prime is 2258523583. The next prime is 2258523679. The reversal of 2258523647 is 7463258522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2258523647 - 2⁶ = 2258523583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2258523598 and 2258523607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251523647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129261823 + 1129261824.

It is an arithmetic number, because the mean of its divisors is an integer number (1129261824).

Almost surely, 2^2258523647 is an apocalyptic number.

2258523647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258523647 is an equidigital number, since it uses as much as digits as its factorization.

2258523647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 44.

The square root of 2258523647 is about 47523.9270999357. The cubic root of 2258523647 is about 1312.0232990158.

The spelling of 2258523647 in words is "two billion, two hundred fifty-eight million, five hundred twenty-three thousand, six hundred forty-seven".