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725479 is a prime number
BaseRepresentation
bin10110001000111100111
31100212011121
42301013213
5141203404
623314411
76111046
oct2610747
91325147
10725479
11456077
122aba07
131c52a1
1414c55d
15e4e54
hexb11e7

725479 has 2 divisors, whose sum is σ = 725480. Its totient is φ = 725478.

The previous prime is 725449. The next prime is 725507. The reversal of 725479 is 974527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725479 - 25 = 725447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362739 + 362740.

It is an arithmetic number, because the mean of its divisors is an integer number (362740).

2725479 is an apocalyptic number.

725479 is a deficient number, since it is larger than the sum of its proper divisors (1).

725479 is an equidigital number, since it uses as much as digits as its factorization.

725479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 34.

The square root of 725479 is about 851.7505503374. The cubic root of 725479 is about 89.8548689730.

The spelling of 725479 in words is "seven hundred twenty-five thousand, four hundred seventy-nine".