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525413225 = 5246145589
BaseRepresentation
bin11111010100010…
…010101101101001
31100121122202110002
4133110102231221
52034001210400
6124045232345
716006636661
oct3724225551
91317582402
10525413225
1124a644807
12127b626b5
1384b123cc
144dacd1a1
15311d7ed5
hex1f512b69

525413225 has 12 divisors (see below), whose sum is σ = 652939980. Its totient is φ = 419409600.

The previous prime is 525413183. The next prime is 525413227. The reversal of 525413225 is 522314525.

It can be written as a sum of positive squares in 6 ways, for example, as 73085401 + 452327824 = 8549^2 + 21268^2 .

It is not a de Polignac number, because 525413225 - 28 = 525412969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525413227) 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, 11270 + ... + 34319.

It is an arithmetic number, because the mean of its divisors is an integer number (54411665).

Almost surely, 2525413225 is an apocalyptic number.

It is an amenable number.

525413225 is a deficient number, since it is larger than the sum of its proper divisors (127526755).

525413225 is a wasteful number, since it uses less digits than its factorization.

525413225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46060 (or 46055 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 525413225 is about 22921.8940098762. The cubic root of 525413225 is about 806.9259211734.

The spelling of 525413225 in words is "five hundred twenty-five million, four hundred thirteen thousand, two hundred twenty-five".

Divisors: 1 5 25 461 2305 11525 45589 227945 1139725 21016529 105082645 525413225