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5252561 = 37913859
BaseRepresentation
bin10100000010010111010001
3100212212011022
4110002113101
52321040221
6304325225
762434406
oct24022721
910785138
105252561
112a68366
121913815
13111ba32
149aa2ad
156db4ab
hex5025d1

5252561 has 4 divisors (see below), whose sum is σ = 5266800. Its totient is φ = 5238324.

The previous prime is 5252549. The next prime is 5252563. The reversal of 5252561 is 1652525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5252561 - 26 = 5252497 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5252561.

It is not an unprimeable number, because it can be changed into a prime (5252563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6551 + ... + 7308.

It is an arithmetic number, because the mean of its divisors is an integer number (1316700).

Almost surely, 25252561 is an apocalyptic number.

It is an amenable number.

5252561 is a deficient number, since it is larger than the sum of its proper divisors (14239).

5252561 is a wasteful number, since it uses less digits than its factorization.

5252561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14238.

The product of its digits is 3000, while the sum is 26.

The square root of 5252561 is about 2291.8466353576. The cubic root of 5252561 is about 173.8295882987.

The spelling of 5252561 in words is "five million, two hundred fifty-two thousand, five hundred sixty-one".

Divisors: 1 379 13859 5252561