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52412531 is a prime number
BaseRepresentation
bin1100011111110…
…0000001110011
310122121211110212
43013330001303
5101404200111
65111214335
71204333133
oct307740163
9118554425
1052412531
1127649346
12156773ab
13ab21542
146d64ac3
15490498b
hex31fc073

52412531 has 2 divisors, whose sum is σ = 52412532. Its totient is φ = 52412530.

The previous prime is 52412527. The next prime is 52412533. The reversal of 52412531 is 13521425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52412531 - 22 = 52412527 is a prime.

It is a super-2 number, since 2×524125312 = 5494146811651922, which contains 22 as substring.

Together with 52412533, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 52412497 and 52412506.

It is not a weakly prime, because it can be changed into another prime (52412533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26206265 + 26206266.

It is an arithmetic number, because the mean of its divisors is an integer number (26206266).

Almost surely, 252412531 is an apocalyptic number.

52412531 is a deficient number, since it is larger than the sum of its proper divisors (1).

52412531 is an equidigital number, since it uses as much as digits as its factorization.

52412531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 23.

The square root of 52412531 is about 7239.6499224755. The cubic root of 52412531 is about 374.2355532338.

Adding to 52412531 its reverse (13521425), we get a palindrome (65933956).

The spelling of 52412531 in words is "fifty-two million, four hundred twelve thousand, five hundred thirty-one".