769541 has 2 divisors, whose sum is σ = 769542. Its totient is φ = 769540.

The previous prime is 769487. The next prime is 769543. The reversal of 769541 is 145967.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 748225 + 21316 = 865^2 + 146^2 .

It is an emirp because it is prime and its reverse (145967) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769541 is a prime.

Together with 769543, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 769498 and 769507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769543) 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, 384770 + 384771.

It is an arithmetic number, because the mean of its divisors is an integer number (384771).

2⁷⁶⁹⁵⁴¹ is an apocalyptic number.

It is an amenable number.

769541 is a deficient number, since it is larger than the sum of its proper divisors (1).

769541 is an equidigital number, since it uses as much as digits as its factorization.

769541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 769541 is about 877.2348602284. The cubic root of 769541 is about 91.6383486449.

The spelling of 769541 in words is "seven hundred sixty-nine thousand, five hundred forty-one".