7775461 has 2 divisors, whose sum is σ = 7775462. Its totient is φ = 7775460.

The previous prime is 7775459. The next prime is 7775473. The reversal of 7775461 is 1645777.

7775461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5832225 + 1943236 = 2415^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 7775461 - 2¹ = 7775459 is a prime.

Together with 7775459, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7775461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7775401) 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, 3887730 + 3887731.

It is an arithmetic number, because the mean of its divisors is an integer number (3887731).

Almost surely, 2^7775461 is an apocalyptic number.

It is an amenable number.

7775461 is a deficient number, since it is larger than the sum of its proper divisors (1).

7775461 is an equidigital number, since it uses as much as digits as its factorization.

7775461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 37.

The square root of 7775461 is about 2788.4513623156. The cubic root of 7775461 is about 198.1110573105. Note that the first 3 decimals are identical.

It can be divided in two parts, 77754 and 61, that added together give a triangular number (77815 = T₃₉₄).

The spelling of 7775461 in words is "seven million, seven hundred seventy-five thousand, four hundred sixty-one".