7752161 has 2 divisors, whose sum is σ = 7752162. Its totient is φ = 7752160.

The previous prime is 7752137. The next prime is 7752163. The reversal of 7752161 is 1612577.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6838225 + 913936 = 2615^2 + 956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7752161 is a prime.

Together with 7752163, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7752163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3876080 + 3876081.

It is an arithmetic number, because the mean of its divisors is an integer number (3876081).

Almost surely, 2^7752161 is an apocalyptic number.

It is an amenable number.

7752161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7752161 is an equidigital number, since it uses as much as digits as its factorization.

7752161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 29.

The square root of 7752161 is about 2784.2702814203. The cubic root of 7752161 is about 197.9129723312.

The spelling of 7752161 in words is "seven million, seven hundred fifty-two thousand, one hundred sixty-one".