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2475839 is a prime number
BaseRepresentation
bin1001011100011100111111
311122210012202
421130130333
51113211324
6125022115
730021122
oct11343477
94583182
102475839
111441153
129b493b
13688bc2
144863b9
1533d8ae
hex25c73f

2475839 has 2 divisors, whose sum is σ = 2475840. Its totient is φ = 2475838.

The previous prime is 2475827. The next prime is 2475857. The reversal of 2475839 is 9385742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2475839 - 212 = 2471743 is a prime.

It is a super-2 number, since 2×24758392 = 12259557507842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2475859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1237919 + 1237920.

It is an arithmetic number, because the mean of its divisors is an integer number (1237920).

22475839 is an apocalyptic number.

2475839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2475839 is an equidigital number, since it uses as much as digits as its factorization.

2475839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 2475839 is about 1573.4799013651. The cubic root of 2475839 is about 135.2822444342.

Subtracting 2475839 from its reverse (9385742), we obtain a triangular number (6909903 = T3717).

The spelling of 2475839 in words is "two million, four hundred seventy-five thousand, eight hundred thirty-nine".