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52422481 is a prime number
BaseRepresentation
bin1100011111111…
…0011101010001
310122122100010101
43013332131101
5101410004411
65111332401
71204404136
oct307763521
9118570111
1052422481
1127655871
1215681101
13ab25c27
146d6858d
1549078c1
hex31fe751

52422481 has 2 divisors, whose sum is σ = 52422482. Its totient is φ = 52422480.

The previous prime is 52422479. The next prime is 52422523. The reversal of 52422481 is 18422425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28569025 + 23853456 = 5345^2 + 4884^2 .

It is a cyclic number.

It is not a de Polignac number, because 52422481 - 21 = 52422479 is a prime.

It is a super-2 number, since 2×524224812 = 5496233028390722, which contains 22 as substring.

Together with 52422479, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52422431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26211240 + 26211241.

It is an arithmetic number, because the mean of its divisors is an integer number (26211241).

Almost surely, 252422481 is an apocalyptic number.

It is an amenable number.

52422481 is a deficient number, since it is larger than the sum of its proper divisors (1).

52422481 is an equidigital number, since it uses as much as digits as its factorization.

52422481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5120, while the sum is 28.

The square root of 52422481 is about 7240.3370777886. The cubic root of 52422481 is about 374.2592333734.

It can be divided in two parts, 524 and 22481, that added together give a triangular number (23005 = T214).

The spelling of 52422481 in words is "fifty-two million, four hundred twenty-two thousand, four hundred eighty-one".