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52061231 is a prime number
BaseRepresentation
bin1100011010011…
…0010000101111
310121221222120202
43012212100233
5101311424411
65055504115
71201341005
oct306462057
9117858522
1052061231
1127429412
121552803b
13aa2a681
146cb2a75
15488583b
hex31a642f

52061231 has 2 divisors, whose sum is σ = 52061232. Its totient is φ = 52061230.

The previous prime is 52061203. The next prime is 52061239. The reversal of 52061231 is 13216025.

52061231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52061231 - 210 = 52060207 is a prime.

It is a super-2 number, since 2×520612312 = 5420743546470722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52061239) 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, 26030615 + 26030616.

It is an arithmetic number, because the mean of its divisors is an integer number (26030616).

Almost surely, 252061231 is an apocalyptic number.

52061231 is a deficient number, since it is larger than the sum of its proper divisors (1).

52061231 is an equidigital number, since it uses as much as digits as its factorization.

52061231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 52061231 is about 7215.3469078070. The cubic root of 52061231 is about 373.3975616713.

Adding to 52061231 its reverse (13216025), we get a palindrome (65277256).

The spelling of 52061231 in words is "fifty-two million, sixty-one thousand, two hundred thirty-one".