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52405427 is a prime number
BaseRepresentation
bin1100011111101…
…0010010110011
310122121110201202
43013322102303
5101403433202
65111121415
71204303334
oct307722263
9118543652
1052405427
1127643a78
121567326b
13ab1b239
146d6228b
154902802
hex31fa4b3

52405427 has 2 divisors, whose sum is σ = 52405428. Its totient is φ = 52405426.

The previous prime is 52405403. The next prime is 52405429. The reversal of 52405427 is 72450425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52405427 - 210 = 52404403 is a prime.

Together with 52405429, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52405427.

It is not a weakly prime, because it can be changed into another prime (52405429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26202713 + 26202714.

It is an arithmetic number, because the mean of its divisors is an integer number (26202714).

Almost surely, 252405427 is an apocalyptic number.

52405427 is a deficient number, since it is larger than the sum of its proper divisors (1).

52405427 is an equidigital number, since it uses as much as digits as its factorization.

52405427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 52405427 is about 7239.1592743909. The cubic root of 52405427 is about 374.2186444943.

The spelling of 52405427 in words is "fifty-two million, four hundred five thousand, four hundred twenty-seven".