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554531 is a prime number
BaseRepresentation
bin10000111011000100011
31001011200012
42013120203
5120221111
615515135
74466465
oct2073043
91034605
10554531
1134969a
12228aab
13165533
14106135
15ae48b
hex87623

554531 has 2 divisors, whose sum is σ = 554532. Its totient is φ = 554530.

The previous prime is 554527. The next prime is 554569. The reversal of 554531 is 135455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554531 - 22 = 554527 is a prime.

It is a super-2 number, since 2×5545312 = 615009259922, which contains 22 as substring.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 554497 and 554506.

It is not a weakly prime, because it can be changed into another prime (554431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277265 + 277266.

It is an arithmetic number, because the mean of its divisors is an integer number (277266).

2554531 is an apocalyptic number.

554531 is a deficient number, since it is larger than the sum of its proper divisors (1).

554531 is an equidigital number, since it uses as much as digits as its factorization.

554531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 23.

The square root of 554531 is about 744.6683825704. The cubic root of 554531 is about 82.1565026210.

Adding to 554531 its reverse (135455), we get a palindrome (689986).

The spelling of 554531 in words is "five hundred fifty-four thousand, five hundred thirty-one".