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725160013 is a prime number
BaseRepresentation
bin101011001110010…
…001000001001101
31212112111221112021
4223032101001031
52441120110023
6155542410141
723653521064
oct5316210115
91775457467
10725160013
113423744a6
12182a30951
13b730b386
146c4471db
15439e235d
hex2b39104d

725160013 has 2 divisors, whose sum is σ = 725160014. Its totient is φ = 725160012.

The previous prime is 725160011. The next prime is 725160047. The reversal of 725160013 is 310061527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625100004 + 100060009 = 25002^2 + 10003^2 .

It is a cyclic number.

It is not a de Polignac number, because 725160013 - 21 = 725160011 is a prime.

Together with 725160011, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 725160013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725160011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362580006 + 362580007.

It is an arithmetic number, because the mean of its divisors is an integer number (362580007).

Almost surely, 2725160013 is an apocalyptic number.

It is an amenable number.

725160013 is a deficient number, since it is larger than the sum of its proper divisors (1).

725160013 is an equidigital number, since it uses as much as digits as its factorization.

725160013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 725160013 is about 26928.7952385546. The cubic root of 725160013 is about 898.4169756620.

The spelling of 725160013 in words is "seven hundred twenty-five million, one hundred sixty thousand, thirteen".