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2520812417 is a prime number
BaseRepresentation
bin1001011001000000…
…1000101110000001
320111200100112112212
42112100020232001
520130311444132
61054045431505
7116316360224
oct22620105601
96450315485
102520812417
111083a29752
125a426b595
133123385a6
1419cb0b5bb
15eb48c5b2
hex96408b81

2520812417 has 2 divisors, whose sum is σ = 2520812418. Its totient is φ = 2520812416.

The previous prime is 2520812387. The next prime is 2520812419. The reversal of 2520812417 is 7142180252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1462221121 + 1058591296 = 38239^2 + 32536^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520812417 - 218 = 2520550273 is a prime.

Together with 2520812419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2520812419) 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, 1260406208 + 1260406209.

It is an arithmetic number, because the mean of its divisors is an integer number (1260406209).

Almost surely, 22520812417 is an apocalyptic number.

It is an amenable number.

2520812417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520812417 is an equidigital number, since it uses as much as digits as its factorization.

2520812417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2520812417 is about 50207.6928069793. The cubic root of 2520812417 is about 1360.9646445183.

Adding to 2520812417 its reverse (7142180252), we get a palindrome (9662992669).

The spelling of 2520812417 in words is "two billion, five hundred twenty million, eight hundred twelve thousand, four hundred seventeen".