7961601 has 4 divisors (see below), whose sum is σ = 10615472. Its totient is φ = 5307732.

The previous prime is 7961567. The next prime is 7961617. The reversal of 7961601 is 1061697.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7961601 - 2²¹ = 5864449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7961621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326931 + ... + 1326936.

It is an arithmetic number, because the mean of its divisors is an integer number (2653868).

Almost surely, 2^7961601 is an apocalyptic number.

It is an amenable number.

7961601 is a deficient number, since it is larger than the sum of its proper divisors (2653871).

7961601 is a wasteful number, since it uses less digits than its factorization.

7961601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653870.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 7961601 is about 2821.6309113702. The cubic root of 7961601 is about 199.6794949904.

The spelling of 7961601 in words is "seven million, nine hundred sixty-one thousand, six hundred one".