258487563 has 8 divisors (see below), whose sum is σ = 344752128. Its totient is φ = 172274024.

The previous prime is 258487549. The next prime is 258487573. The reversal of 258487563 is 365784852.

258487563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 258487563 - 2⁵ = 258487531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258487573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270 + ... + 22772.

It is an arithmetic number, because the mean of its divisors is an integer number (43094016).

Almost surely, 2^258487563 is an apocalyptic number.

258487563 is a deficient number, since it is larger than the sum of its proper divisors (86264565).

258487563 is a wasteful number, since it uses less digits than its factorization.

258487563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25513.

The product of its digits is 1612800, while the sum is 48.

The square root of 258487563 is about 16077.5484138596. The cubic root of 258487563 is about 637.0104409091.

It can be divided in two parts, 25848 and 7563, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 258487563 in words is "two hundred fifty-eight million, four hundred eighty-seven thousand, five hundred sixty-three".