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76541 is a prime number
BaseRepresentation
bin10010101011111101
310212222212
4102223331
54422131
61350205
7436103
oct225375
9125885
1076541
1152563
1238365
1328aba
141dc73
1517a2b
hex12afd

76541 has 2 divisors, whose sum is σ = 76542. Its totient is φ = 76540.

The previous prime is 76537. The next prime is 76543. The reversal of 76541 is 14567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55225 + 21316 = 235^2 + 146^2 .

It is a cyclic number.

It is not a de Polignac number, because 76541 - 22 = 76537 is a prime.

Together with 76543, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76543) 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, 38270 + 38271.

It is an arithmetic number, because the mean of its divisors is an integer number (38271).

276541 is an apocalyptic number.

It is an amenable number.

76541 is a deficient number, since it is larger than the sum of its proper divisors (1).

76541 is an equidigital number, since it uses as much as digits as its factorization.

76541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 76541 is about 276.6604416970. The cubic root of 76541 is about 42.4585062146.

The spelling of 76541 in words is "seventy-six thousand, five hundred forty-one".