258260929 has 4 divisors (see below), whose sum is σ = 258514900. Its totient is φ = 258006960.

The previous prime is 258260917. The next prime is 258260941. The reversal of 258260929 is 929062852.

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

It is an interprime number because it is at equal distance from previous prime (258260917) and next prime (258260941).

It can be written as a sum of positive squares in 2 ways, for example, as 129960000 + 128300929 = 11400^2 + 11327^2 .

It is a cyclic number.

It is not a de Polignac number, because 258260929 - 2⁹ = 258260417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258260909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125454 + ... + 127495.

It is an arithmetic number, because the mean of its divisors is an integer number (64628725).

Almost surely, 2^258260929 is an apocalyptic number.

It is an amenable number.

258260929 is a deficient number, since it is larger than the sum of its proper divisors (253971).

258260929 is a wasteful number, since it uses less digits than its factorization.

258260929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253970.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 258260929 is about 16070.4987165925. The cubic root of 258260929 is about 636.8242160404.

The spelling of 258260929 in words is "two hundred fifty-eight million, two hundred sixty thousand, nine hundred twenty-nine".