2258651563 has 4 divisors (see below), whose sum is σ = 2581316080. Its totient is φ = 1935987048.

The previous prime is 2258651561. The next prime is 2258651611. The reversal of 2258651563 is 3651568522.

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

It is a cyclic number.

It is not a de Polignac number, because 2258651563 - 2¹ = 2258651561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2258651561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161332248 + ... + 161332261.

It is an arithmetic number, because the mean of its divisors is an integer number (645329020).

Almost surely, 2^2258651563 is an apocalyptic number.

2258651563 is a deficient number, since it is larger than the sum of its proper divisors (322664517).

2258651563 is an equidigital number, since it uses as much as digits as its factorization.

2258651563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322664516.

The product of its digits is 432000, while the sum is 43.

The square root of 2258651563 is about 47525.2728871703. The cubic root of 2258651563 is about 1312.0480682354.

The spelling of 2258651563 in words is "two billion, two hundred fifty-eight million, six hundred fifty-one thousand, five hundred sixty-three".