258057427 has 2 divisors, whose sum is σ = 258057428. Its totient is φ = 258057426.

The previous prime is 258057419. The next prime is 258057461. The reversal of 258057427 is 724750852.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258057427 - 2³ = 258057419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258057427.

It is not a weakly prime, because it can be changed into another prime (258057497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129028713 + 129028714.

It is an arithmetic number, because the mean of its divisors is an integer number (129028714).

Almost surely, 2^258057427 is an apocalyptic number.

258057427 is a deficient number, since it is larger than the sum of its proper divisors (1).

258057427 is an equidigital number, since it uses as much as digits as its factorization.

258057427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 258057427 is about 16064.1659291729. The cubic root of 258057427 is about 636.6569058501.

The spelling of 258057427 in words is "two hundred fifty-eight million, fifty-seven thousand, four hundred twenty-seven".