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2521072201 is a prime number
BaseRepresentation
bin1001011001000100…
…1000001001001001
320111200211201220111
42112101020021021
520130343302301
61054055154321
7116321521504
oct22621101111
96450751814
102521072201
11108409694a
125a43759a1
133123c98cb
1419cb7813b
15eb4de551
hex96448249

2521072201 has 2 divisors, whose sum is σ = 2521072202. Its totient is φ = 2521072200.

The previous prime is 2521072193. The next prime is 2521072207. The reversal of 2521072201 is 1022701252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2391112201 + 129960000 = 48899^2 + 11400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521072201 - 23 = 2521072193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2521072207) 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, 1260536100 + 1260536101.

It is an arithmetic number, because the mean of its divisors is an integer number (1260536101).

Almost surely, 22521072201 is an apocalyptic number.

It is an amenable number.

2521072201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521072201 is an equidigital number, since it uses as much as digits as its factorization.

2521072201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2521072201 is about 50210.2798339145. The cubic root of 2521072201 is about 1361.0113946179.

Adding to 2521072201 its reverse (1022701252), we get a palindrome (3543773453).

The spelling of 2521072201 in words is "two billion, five hundred twenty-one million, seventy-two thousand, two hundred one".