7653649 has 2 divisors, whose sum is σ = 7653650. Its totient is φ = 7653648.

The previous prime is 7653631. The next prime is 7653661. The reversal of 7653649 is 9463567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7524049 + 129600 = 2743^2 + 360^2 .

It is an emirp because it is prime and its reverse (9463567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7653649 - 2¹⁹ = 7129361 is a prime.

It is not a weakly prime, because it can be changed into another prime (7653049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3826824 + 3826825.

It is an arithmetic number, because the mean of its divisors is an integer number (3826825).

Almost surely, 2^7653649 is an apocalyptic number.

It is an amenable number.

7653649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7653649 is an equidigital number, since it uses as much as digits as its factorization.

7653649 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 7653649 is about 2766.5229079117. The cubic root of 7653649 is about 197.0710575346.

The spelling of 7653649 in words is "seven million, six hundred fifty-three thousand, six hundred forty-nine".