7997261 has 4 divisors (see below), whose sum is σ = 8344992. Its totient is φ = 7649532.

The previous prime is 7997257. The next prime is 7997303. The reversal of 7997261 is 1627997.

It is a happy number.

7997261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1627997 = 7 ⋅232571.

It is a cyclic number.

It is not a de Polignac number, because 7997261 - 2² = 7997257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173831 + ... + 173876.

It is an arithmetic number, because the mean of its divisors is an integer number (2086248).

Almost surely, 2^7997261 is an apocalyptic number.

It is an amenable number.

7997261 is a deficient number, since it is larger than the sum of its proper divisors (347731).

7997261 is a wasteful number, since it uses less digits than its factorization.

7997261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347730.

The product of its digits is 47628, while the sum is 41.

The square root of 7997261 is about 2827.9428919269. The cubic root of 7997261 is about 199.9771723946.

The spelling of 7997261 in words is "seven million, nine hundred ninety-seven thousand, two hundred sixty-one".