258948377 has 2 divisors, whose sum is σ = 258948378. Its totient is φ = 258948376.

The previous prime is 258948373. The next prime is 258948449. The reversal of 258948377 is 773849852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226924096 + 32024281 = 15064^2 + 5659^2 .

It is a cyclic number.

It is not a de Polignac number, because 258948377 - 2² = 258948373 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (258948373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129474188 + 129474189.

It is an arithmetic number, because the mean of its divisors is an integer number (129474189).

Almost surely, 2^258948377 is an apocalyptic number.

It is an amenable number.

258948377 is a deficient number, since it is larger than the sum of its proper divisors (1).

258948377 is an equidigital number, since it uses as much as digits as its factorization.

258948377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 53.

The square root of 258948377 is about 16091.8730109332. The cubic root of 258948377 is about 637.3887557780.

The spelling of 258948377 in words is "two hundred fifty-eight million, nine hundred forty-eight thousand, three hundred seventy-seven".