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517701425 = 52171218121
BaseRepresentation
bin11110110110110…
…111111100110001
31100002010221211212
4132312313330301
52030012421200
6123212045505
715554250413
oct3666677461
91302127755
10517701425
1124625781a
12125463895
1383342207
144ca829b3
15306b3035
hex1edb7f31

517701425 has 12 divisors (see below), whose sum is σ = 679712076. Its totient is φ = 389798400.

The previous prime is 517701409. The next prime is 517701427. The reversal of 517701425 is 524107715.

It can be written as a sum of positive squares in 6 ways, for example, as 12306064 + 505395361 = 3508^2 + 22481^2 .

It is not a de Polignac number, because 517701425 - 24 = 517701409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 517701391 and 517701400.

It is not an unprimeable number, because it can be changed into a prime (517701427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608636 + ... + 609485.

It is an arithmetic number, because the mean of its divisors is an integer number (56642673).

Almost surely, 2517701425 is an apocalyptic number.

It is an amenable number.

517701425 is a deficient number, since it is larger than the sum of its proper divisors (162010651).

517701425 is a wasteful number, since it uses less digits than its factorization.

517701425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218148 (or 1218143 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 517701425 is about 22753.0530918380. The cubic root of 517701425 is about 802.9585375197.

The spelling of 517701425 in words is "five hundred seventeen million, seven hundred one thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 425 1218121 6090605 20708057 30453025 103540285 517701425