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258110425 = 5215236779
BaseRepresentation
bin11110110001001…
…11001111011001
3122222200100221101
433120213033121
51012034013200
641340111401
76252621346
oct1730471731
9588610841
10258110425
11122773201
1272535561
1341622181
14263cb7cd
15179d726a
hexf6273d9

258110425 has 12 divisors (see below), whose sum is σ = 320314320. Its totient is φ = 206322320.

The previous prime is 258110299. The next prime is 258110441. The reversal of 258110425 is 524011852.

It is not a de Polignac number, because 258110425 - 29 = 258109913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258110393 and 258110402.

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 11 ways as a sum of consecutive naturals, for example, 34686 + ... + 41464.

It is an arithmetic number, because the mean of its divisors is an integer number (26692860).

Almost surely, 2258110425 is an apocalyptic number.

258110425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

258110425 is a deficient number, since it is larger than the sum of its proper divisors (62203895).

258110425 is a wasteful number, since it uses less digits than its factorization.

258110425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312 (or 8307 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 258110425 is about 16065.8154165918. The cubic root of 258110425 is about 636.7004868901.

The spelling of 258110425 in words is "two hundred fifty-eight million, one hundred ten thousand, four hundred twenty-five".

Divisors: 1 5 25 1523 6779 7615 33895 38075 169475 10324417 51622085 258110425