3650761 has 2 divisors, whose sum is σ = 3650762. Its totient is φ = 3650760.

The previous prime is 3650741. The next prime is 3650783. The reversal of 3650761 is 1670563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 1279161 = 1540^2 + 1131^2 .

It is an emirp because it is prime and its reverse (1670563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3650761 - 2⁵ = 3650729 is a prime.

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

3650761 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3650701) 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, 1825380 + 1825381.

It is an arithmetic number, because the mean of its divisors is an integer number (1825381).

Almost surely, 2^3650761 is an apocalyptic number.

It is an amenable number.

3650761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3650761 is an equidigital number, since it uses as much as digits as its factorization.

3650761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3650761 is about 1910.6964698769. The cubic root of 3650761 is about 153.9788721226.

The spelling of 3650761 in words is "three million, six hundred fifty thousand, seven hundred sixty-one".