258250365 has 24 divisors (see below), whose sum is σ = 463071960. Its totient is φ = 132983424.

The previous prime is 258250351. The next prime is 258250373. The reversal of 258250365 is 563052852.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 58339044 + 199911321 = 7638^2 + 14139^2 .

It is not a de Polignac number, because 258250365 - 2⁹ = 258249853 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 97642 + ... + 100251.

It is an arithmetic number, because the mean of its divisors is an integer number (19294665).

Almost surely, 2^258250365 is an apocalyptic number.

It is an amenable number.

258250365 is a deficient number, since it is larger than the sum of its proper divisors (204821595).

258250365 is a wasteful number, since it uses less digits than its factorization.

258250365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197933 (or 197930 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 258250365 is about 16070.1700364371. The cubic root of 258250365 is about 636.8155329581.

The spelling of 258250365 in words is "two hundred fifty-eight million, two hundred fifty thousand, three hundred sixty-five".