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525713825 = 52713673449
BaseRepresentation
bin11111010101011…
…100000110100001
31100122020000210102
4133111130012201
52034040320300
6124055512145
716012331240
oct3725340641
91318200712
10525713825
1124a82a63a
12128088655
1384bb9190
144db6a957
15312470d5
hex1f55c1a1

525713825 has 48 divisors (see below), whose sum is σ = 814531200. Its totient is φ = 327697920.

The previous prime is 525713801. The next prime is 525713857. The reversal of 525713825 is 528317525.

It is not a de Polignac number, because 525713825 - 26 = 525713761 is a prime.

It is a super-2 number, since 2×5257138252 = 552750051592261250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150701 + ... + 154149.

It is an arithmetic number, because the mean of its divisors is an integer number (16969400).

Almost surely, 2525713825 is an apocalyptic number.

It is an amenable number.

525713825 is a deficient number, since it is larger than the sum of its proper divisors (288817375).

525713825 is a wasteful number, since it uses less digits than its factorization.

525713825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546 (or 3541 counting only the distinct ones).

The product of its digits is 84000, while the sum is 38.

The square root of 525713825 is about 22928.4501220645. The cubic root of 525713825 is about 807.0797782880.

The spelling of 525713825 in words is "five hundred twenty-five million, seven hundred thirteen thousand, eight hundred twenty-five".

Divisors: 1 5 7 13 25 35 65 67 91 175 325 335 455 469 871 1675 2275 2345 3449 4355 6097 11725 17245 21775 24143 30485 44837 86225 120715 152425 224185 231083 313859 603575 1120925 1155415 1569295 1617581 3004079 5777075 7846475 8087905 15020395 21028553 40439525 75101975 105142765 525713825