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561051325 = 5226385331
BaseRepresentation
bin100001011100001…
…111011010111101
31110002201100201201
4201130033122331
52122112120300
6131401135501
716621600102
oct4134173275
91402640651
10561051325
1126877618a
12137a8a591
138c30c743
1454728aa9
15343c766a
hex2170f6bd

561051325 has 12 divisors (see below), whose sum is σ = 698357088. Its totient is φ = 447129200.

The previous prime is 561051319. The next prime is 561051331. The reversal of 561051325 is 523150165.

It is an interprime number because it is at equal distance from previous prime (561051319) and next prime (561051331).

It is not a de Polignac number, because 561051325 - 211 = 561049277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561051293 and 561051302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36091 + ... + 49240.

It is an arithmetic number, because the mean of its divisors is an integer number (58196424).

Almost surely, 2561051325 is an apocalyptic number.

It is an amenable number.

561051325 is a deficient number, since it is larger than the sum of its proper divisors (137305763).

561051325 is a wasteful number, since it uses less digits than its factorization.

561051325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85604 (or 85599 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 561051325 is about 23686.5220114731. The cubic root of 561051325 is about 824.7725482556.

The spelling of 561051325 in words is "five hundred sixty-one million, fifty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 263 1315 6575 85331 426655 2133275 22442053 112210265 561051325