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43025131 is a prime number
BaseRepresentation
bin1010010000100…
…0001011101011
32222221220101101
42210020023223
542003301011
64134102231
71031464462
oct244101353
988856341
1043025131
1122317466
12124aa977
138bb5776
1459dd9d9
153b9d2c1
hex29082eb

43025131 has 2 divisors, whose sum is σ = 43025132. Its totient is φ = 43025130.

The previous prime is 43025093. The next prime is 43025137. The reversal of 43025131 is 13152034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43025131 - 215 = 42992363 is a prime.

It is a super-2 number, since 2×430251312 = 3702323795134322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43025099 and 43025108.

It is not a weakly prime, because it can be changed into another prime (43025137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21512565 + 21512566.

It is an arithmetic number, because the mean of its divisors is an integer number (21512566).

Almost surely, 243025131 is an apocalyptic number.

43025131 is the 4149-th centered pentagonal number.

43025131 is a deficient number, since it is larger than the sum of its proper divisors (1).

43025131 is an equidigital number, since it uses as much as digits as its factorization.

43025131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 43025131 is about 6559.3544651894. The cubic root of 43025131 is about 350.4080438294.

Adding to 43025131 its reverse (13152034), we get a palindrome (56177165).

The spelling of 43025131 in words is "forty-three million, twenty-five thousand, one hundred thirty-one".