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52391123 is a prime number
BaseRepresentation
bin1100011111011…
…0110011010011
310122120202002222
43013312303103
5101403003443
65110531255
71204213541
oct307666323
9118522088
1052391123
1127634254
1215666b2b
13ab14885
146d5ad91
1548ed468
hex31f6cd3

52391123 has 2 divisors, whose sum is σ = 52391124. Its totient is φ = 52391122.

The previous prime is 52391117. The next prime is 52391137. The reversal of 52391123 is 32119325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52391123 - 24 = 52391107 is a prime.

It is a super-2 number, since 2×523911232 = 5489659538402258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 52391092 and 52391101.

It is not a weakly prime, because it can be changed into another prime (52390123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26195561 + 26195562.

It is an arithmetic number, because the mean of its divisors is an integer number (26195562).

Almost surely, 252391123 is an apocalyptic number.

52391123 is a deficient number, since it is larger than the sum of its proper divisors (1).

52391123 is an equidigital number, since it uses as much as digits as its factorization.

52391123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 52391123 is about 7238.1712469380. The cubic root of 52391123 is about 374.1845938824.

The spelling of 52391123 in words is "fifty-two million, three hundred ninety-one thousand, one hundred twenty-three".