258006349 has 2 divisors, whose sum is σ = 258006350. Its totient is φ = 258006348.

The previous prime is 258006319. The next prime is 258006361. The reversal of 258006349 is 943600852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215561124 + 42445225 = 14682^2 + 6515^2 .

It is a cyclic number.

It is not a de Polignac number, because 258006349 - 2¹³ = 257998157 is a prime.

It is a super-2 number, since 2×258006349² = 133134552248619602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258006319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129003174 + 129003175.

It is an arithmetic number, because the mean of its divisors is an integer number (129003175).

Almost surely, 2^258006349 is an apocalyptic number.

It is an amenable number.

258006349 is a deficient number, since it is larger than the sum of its proper divisors (1).

258006349 is an equidigital number, since it uses as much as digits as its factorization.

258006349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 258006349 is about 16062.5760387305. The cubic root of 258006349 is about 636.6148980077.

The spelling of 258006349 in words is "two hundred fifty-eight million, six thousand, three hundred forty-nine".