7365649 has 2 divisors, whose sum is σ = 7365650. Its totient is φ = 7365648.

The previous prime is 7365647. The next prime is 7365661. The reversal of 7365649 is 9465637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 1140624 = 2495^2 + 1068^2 .

It is an emirp because it is prime and its reverse (9465637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7365649 - 2¹ = 7365647 is a prime.

Together with 7365647, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7365647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3682824 + 3682825.

It is an arithmetic number, because the mean of its divisors is an integer number (3682825).

Almost surely, 2^7365649 is an apocalyptic number.

It is an amenable number.

7365649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7365649 is an equidigital number, since it uses as much as digits as its factorization.

7365649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 7365649 is about 2713.9729180668. The cubic root of 7365649 is about 194.5675184072.

The spelling of 7365649 in words is "seven million, three hundred sixty-five thousand, six hundred forty-nine".