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525435225 = 35271000829
BaseRepresentation
bin11111010100011…
…000000101011001
31100121200212121220
4133110120011121
52034002411400
6124045522253
716010061060
oct3724300531
91317625556
10525435225
1124a65a297
12127b73389
1384b1c423
144dad71d7
15311de7a0
hex1f518159

525435225 has 24 divisors (see below), whose sum is σ = 992823360. Its totient is φ = 240198720.

The previous prime is 525435223. The next prime is 525435257. The reversal of 525435225 is 522534525.

It is not a de Polignac number, because 525435225 - 21 = 525435223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (525435221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499890 + ... + 500939.

It is an arithmetic number, because the mean of its divisors is an integer number (41367640).

Almost surely, 2525435225 is an apocalyptic number.

It is an amenable number.

525435225 is a deficient number, since it is larger than the sum of its proper divisors (467388135).

525435225 is a wasteful number, since it uses less digits than its factorization.

525435225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000849 (or 1000844 counting only the distinct ones).

The product of its digits is 60000, while the sum is 33.

The square root of 525435225 is about 22922.3738953888. The cubic root of 525435225 is about 806.9371834978.

The spelling of 525435225 in words is "five hundred twenty-five million, four hundred thirty-five thousand, two hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 1000829 3002487 5004145 7005803 15012435 21017409 25020725 35029015 75062175 105087045 175145075 525435225