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517335025 = 5245492
BaseRepresentation
bin11110110101011…
…110011111110001
31100001110100020111
4132311132133301
52024414210100
6123200141321
715551163244
oct3665363761
91301410214
10517335025
11246027509
12125307841
13832444cc
144c9c925b
153063e6ba
hex1ed5e7f1

517335025 has 9 divisors (see below), whose sum is σ = 641636481. Its totient is φ = 413777040.

The previous prime is 517335023. The next prime is 517335053. The reversal of 517335025 is 520533715.

The square root of 517335025 is 22745.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5489649 + 511845376 = 2343^2 + 22624^2 .

It is not a de Polignac number, because 517335025 - 21 = 517335023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (517335023) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 111451 + ... + 115999.

Almost surely, 2517335025 is an apocalyptic number.

517335025 is the 22745-th square number.

517335025 is the 11373-rd centered octagonal number.

It is an amenable number.

517335025 is a deficient number, since it is larger than the sum of its proper divisors (124301456).

517335025 is an frugal number, since it uses more digits than its factorization.

517335025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9108 (or 4554 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 31.

The cubic root of 517335025 is about 802.7690631572.

The spelling of 517335025 in words is "five hundred seventeen million, three hundred thirty-five thousand, twenty-five".

Divisors: 1 5 25 4549 22745 113725 20693401 103467005 517335025