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2532085981 is a prime number
BaseRepresentation
bin1001011011101100…
…1001000011011101
320112110120021222021
42112323021003131
520141203222411
61055131220141
7116514242605
oct22673110335
96473507867
102532085981
11108a329747
125a7ba7651
13314784a39
141a0403c05
15ec467a71
hex96ec90dd

2532085981 has 2 divisors, whose sum is σ = 2532085982. Its totient is φ = 2532085980.

The previous prime is 2532085973. The next prime is 2532085987. The reversal of 2532085981 is 1895802352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1452372100 + 1079713881 = 38110^2 + 32859^2 .

It is a cyclic number.

It is not a de Polignac number, because 2532085981 - 23 = 2532085973 is a prime.

It is a super-2 number, since 2×25320859812 = 12822918830353464722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2532085987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266042990 + 1266042991.

It is an arithmetic number, because the mean of its divisors is an integer number (1266042991).

Almost surely, 22532085981 is an apocalyptic number.

It is an amenable number.

2532085981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2532085981 is an equidigital number, since it uses as much as digits as its factorization.

2532085981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 2532085981 is about 50319.8368538691. The cubic root of 2532085981 is about 1362.9904605341.

The spelling of 2532085981 in words is "two billion, five hundred thirty-two million, eighty-five thousand, nine hundred eighty-one".