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7561423 is a prime number
BaseRepresentation
bin11100110110000011001111
3112020011022201
4130312003033
53413431143
6430022331
7121161652
oct34660317
915204281
107561423
1142a5011
1226479a7
13174991c
14100b899
159e564d
hex7360cf

7561423 has 2 divisors, whose sum is σ = 7561424. Its totient is φ = 7561422.

The previous prime is 7561417. The next prime is 7561459. The reversal of 7561423 is 3241657.

7561423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3241657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7561423 - 25 = 7561391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7561391 and 7561400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7561483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3780711 + 3780712.

It is an arithmetic number, because the mean of its divisors is an integer number (3780712).

Almost surely, 27561423 is an apocalyptic number.

7561423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7561423 is an equidigital number, since it uses as much as digits as its factorization.

7561423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 7561423 is about 2749.8041748459. The cubic root of 7561423 is about 196.2762919323.

The spelling of 7561423 in words is "seven million, five hundred sixty-one thousand, four hundred twenty-three".