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51198541 is a prime number
BaseRepresentation
bin1100001101001…
…1101001001101
310120100011012021
43003103221031
5101101323131
65025210141
71161115612
oct303235115
9116304167
1051198541
112699a249
1215190951
13a7b7ac4
146b2a509
154764e11
hex30d3a4d

51198541 has 2 divisors, whose sum is σ = 51198542. Its totient is φ = 51198540.

The previous prime is 51198533. The next prime is 51198547. The reversal of 51198541 is 14589115.

51198541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51065316 + 133225 = 7146^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 51198541 - 23 = 51198533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51198497 and 51198506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51198547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25599270 + 25599271.

It is an arithmetic number, because the mean of its divisors is an integer number (25599271).

Almost surely, 251198541 is an apocalyptic number.

It is an amenable number.

51198541 is a deficient number, since it is larger than the sum of its proper divisors (1).

51198541 is an equidigital number, since it uses as much as digits as its factorization.

51198541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 34.

The square root of 51198541 is about 7155.3155765487. The cubic root of 51198541 is about 371.3235795315.

The spelling of 51198541 in words is "fifty-one million, one hundred ninety-eight thousand, five hundred forty-one".