258890149 has 4 divisors (see below), whose sum is σ = 295874464. Its totient is φ = 221905836.

The previous prime is 258890117. The next prime is 258890167. The reversal of 258890149 is 941098852.

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 258890149 - 2⁵ = 258890117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258890099 and 258890108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258890179) 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, 18492147 + ... + 18492160.

It is an arithmetic number, because the mean of its divisors is an integer number (73968616).

Almost surely, 2^258890149 is an apocalyptic number.

It is an amenable number.

258890149 is a deficient number, since it is larger than the sum of its proper divisors (36984315).

258890149 is an equidigital number, since it uses as much as digits as its factorization.

258890149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36984314.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 258890149 is about 16090.0636729629. The cubic root of 258890149 is about 637.3409770725.

It can be divided in two parts, 2588901 and 49, that added together give a triangular number (2588950 = T₂₂₇₅).

The spelling of 258890149 in words is "two hundred fifty-eight million, eight hundred ninety thousand, one hundred forty-nine".