258530653 has 4 divisors (see below), whose sum is σ = 258832480. Its totient is φ = 258228828.

The previous prime is 258530647. The next prime is 258530711. The reversal of 258530653 is 356035852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258530653 - 2⁹ = 258530141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258530633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149625 + ... + 151342.

It is an arithmetic number, because the mean of its divisors is an integer number (64708120).

Almost surely, 2^258530653 is an apocalyptic number.

It is an amenable number.

258530653 is a deficient number, since it is larger than the sum of its proper divisors (301827).

258530653 is an equidigital number, since it uses as much as digits as its factorization.

258530653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301826.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 258530653 is about 16078.8884255100. Note that the first 3 decimals coincide. The cubic root of 258530653 is about 637.0458355904.

The spelling of 258530653 in words is "two hundred fifty-eight million, five hundred thirty thousand, six hundred fifty-three".