258342937 has 2 divisors, whose sum is σ = 258342938. Its totient is φ = 258342936.

The previous prime is 258342911. The next prime is 258342949. The reversal of 258342937 is 739243852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246364416 + 11978521 = 15696^2 + 3461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258342937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258342893 and 258342902.

It is not a weakly prime, because it can be changed into another prime (258342907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129171468 + 129171469.

It is an arithmetic number, because the mean of its divisors is an integer number (129171469).

Almost surely, 2^258342937 is an apocalyptic number.

It is an amenable number.

258342937 is a deficient number, since it is larger than the sum of its proper divisors (1).

258342937 is an equidigital number, since it uses as much as digits as its factorization.

258342937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 258342937 is about 16073.0500216978. The cubic root of 258342937 is about 636.8916144834.

The spelling of 258342937 in words is "two hundred fifty-eight million, three hundred forty-two thousand, nine hundred thirty-seven".