7649953 has 2 divisors, whose sum is σ = 7649954. Its totient is φ = 7649952.

The previous prime is 7649933. The next prime is 7649959. The reversal of 7649953 is 3599467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4524129 + 3125824 = 2127^2 + 1768^2 .

It is an emirp because it is prime and its reverse (3599467) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7649953 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (7649959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3824976 + 3824977.

It is an arithmetic number, because the mean of its divisors is an integer number (3824977).

Almost surely, 2^7649953 is an apocalyptic number.

It is an amenable number.

7649953 is a deficient number, since it is larger than the sum of its proper divisors (1).

7649953 is an equidigital number, since it uses as much as digits as its factorization.

7649953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 7649953 is about 2765.8548407319. The cubic root of 7649953 is about 197.0393301017.

The spelling of 7649953 in words is "seven million, six hundred forty-nine thousand, nine hundred fifty-three".