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538423 is a prime number
BaseRepresentation
bin10000011011100110111
31000100120121
42003130313
5114212143
615312411
74401514
oct2033467
91010517
10538423
11338586
1221b707
1315b0c2
1410030b
15a97ed
hex83737

538423 has 2 divisors, whose sum is σ = 538424. Its totient is φ = 538422.

The previous prime is 538411. The next prime is 538457. The reversal of 538423 is 324835.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-538423 is a prime.

It is a d-powerful number, because it can be written as 53 + 38 + 44 + 8 + 25 + 312 .

538423 is a lucky number.

It is equal to p44458 and since 538423 and 44458 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538123) 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, 269211 + 269212.

It is an arithmetic number, because the mean of its divisors is an integer number (269212).

2538423 is an apocalyptic number.

538423 is a deficient number, since it is larger than the sum of its proper divisors (1).

538423 is an equidigital number, since it uses as much as digits as its factorization.

538423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 538423 is about 733.7731257003. The cubic root of 538423 is about 81.3531801577.

It can be divided in two parts, 538 and 423, that added together give a square (961 = 312).

The spelling of 538423 in words is "five hundred thirty-eight thousand, four hundred twenty-three".