7956401 has 2 divisors, whose sum is σ = 7956402. Its totient is φ = 7956400.

The previous prime is 7956379. The next prime is 7956407. The reversal of 7956401 is 1046597.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4946176 + 3010225 = 2224^2 + 1735^2 .

It is an emirp because it is prime and its reverse (1046597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7956401 - 2¹⁰ = 7955377 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7956407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3978200 + 3978201.

It is an arithmetic number, because the mean of its divisors is an integer number (3978201).

Almost surely, 2^7956401 is an apocalyptic number.

It is an amenable number.

7956401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7956401 is an equidigital number, since it uses as much as digits as its factorization.

7956401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 7956401 is about 2820.7093079578. The cubic root of 7956401 is about 199.6360129691.

The spelling of 7956401 in words is "seven million, nine hundred fifty-six thousand, four hundred one".