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1024432081 is a prime number
BaseRepresentation
bin111101000011111…
…001011111010001
32122101122112121221
4331003321133101
54044223311311
6245353045041
734246346311
oct7503713721
92571575557
101024432081
114862a0a92
122470b6781
13134312a3a
149a0ab441
155ee0a671
hex3d0f97d1

1024432081 has 2 divisors, whose sum is σ = 1024432082. Its totient is φ = 1024432080.

The previous prime is 1024432037. The next prime is 1024432093. The reversal of 1024432081 is 1802344201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 660233025 + 364199056 = 25695^2 + 19084^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024432081 - 27 = 1024431953 is a prime.

It is a super-2 number, since 2×10244320812 = 2098922177163981122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1024432681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512216040 + 512216041.

It is an arithmetic number, because the mean of its divisors is an integer number (512216041).

Almost surely, 21024432081 is an apocalyptic number.

It is an amenable number.

1024432081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024432081 is an equidigital number, since it uses as much as digits as its factorization.

1024432081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1024432081 is about 32006.7505535942. The cubic root of 1024432081 is about 1008.0785876753.

Adding to 1024432081 its reverse (1802344201), we get a palindrome (2826776282).

The spelling of 1024432081 in words is "one billion, twenty-four million, four hundred thirty-two thousand, eighty-one".