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5215211537 is a prime number
BaseRepresentation
bin1001101101101100…
…11101000000010001
3111110110100012021212
410312312131000101
541140043232122
62221300025505
7243144365234
oct46666350021
914413305255
105215211537
11223693a688
121016692295
136516108b3
143768c341b
15207cb7ce2
hex136d9d011

5215211537 has 2 divisors, whose sum is σ = 5215211538. Its totient is φ = 5215211536.

The previous prime is 5215211513. The next prime is 5215211539. The reversal of 5215211537 is 7351125125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5211540481 + 3671056 = 72191^2 + 1916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5215211537 is a prime.

Together with 5215211539, 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 (5215211539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607605768 + 2607605769.

It is an arithmetic number, because the mean of its divisors is an integer number (2607605769).

Almost surely, 25215211537 is an apocalyptic number.

It is an amenable number.

5215211537 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215211537 is an equidigital number, since it uses as much as digits as its factorization.

5215211537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 32.

The square root of 5215211537 is about 72216.4215189316. The cubic root of 5215211537 is about 1734.1659030327.

The spelling of 5215211537 in words is "five billion, two hundred fifteen million, two hundred eleven thousand, five hundred thirty-seven".