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2572123 is a prime number
BaseRepresentation
bin1001110011111101011011
311211200021211
421303331123
51124301443
6131043551
730601621
oct11637533
94750254
102572123
1114a7524
12a405b7
136c0988
144ad511
1535c19d
hex273f5b

2572123 has 2 divisors, whose sum is σ = 2572124. Its totient is φ = 2572122.

The previous prime is 2572121. The next prime is 2572127. The reversal of 2572123 is 3212752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2572123 - 21 = 2572121 is a prime.

Together with 2572121, it forms a pair of twin primes.

2572123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2572094 and 2572103.

It is not a weakly prime, because it can be changed into another prime (2572121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286061 + 1286062.

It is an arithmetic number, because the mean of its divisors is an integer number (1286062).

22572123 is an apocalyptic number.

2572123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572123 is an equidigital number, since it uses as much as digits as its factorization.

2572123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 22.

The square root of 2572123 is about 1603.7839630075. The cubic root of 2572123 is about 137.0136736667.

Adding to 2572123 its reverse (3212752), we get a palindrome (5784875).

The spelling of 2572123 in words is "two million, five hundred seventy-two thousand, one hundred twenty-three".