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52360381 is a prime number
BaseRepresentation
bin1100011110111…
…1010010111101
310122112011221101
43013233102331
5101401013011
65110133101
71204025113
oct307572275
9118464841
1052360381
1127613147
1215651191
13ab03898
146d4dab3
1548e42c1
hex31ef4bd

52360381 has 2 divisors, whose sum is σ = 52360382. Its totient is φ = 52360380.

The previous prime is 52360379. The next prime is 52360411. The reversal of 52360381 is 18306325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50537881 + 1822500 = 7109^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 52360381 - 21 = 52360379 is a prime.

It is a super-2 number, since 2×523603812 = 5483218996930322, which contains 22 as substring.

Together with 52360379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52361381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26180190 + 26180191.

It is an arithmetic number, because the mean of its divisors is an integer number (26180191).

Almost surely, 252360381 is an apocalyptic number.

It is an amenable number.

52360381 is a deficient number, since it is larger than the sum of its proper divisors (1).

52360381 is an equidigital number, since it uses as much as digits as its factorization.

52360381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52360381 is about 7236.0473326257. The cubic root of 52360381 is about 374.1113917010. Note that the first 3 decimals are identical.

The spelling of 52360381 in words is "fifty-two million, three hundred sixty thousand, three hundred eighty-one".