7081261 has 4 divisors (see below), whose sum is σ = 7725024. Its totient is φ = 6437500.

The previous prime is 7081253. The next prime is 7081267. The reversal of 7081261 is 1621807.

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 a cyclic number.

It is not a de Polignac number, because 7081261 - 2³ = 7081253 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 (7081267) 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, 321865 + ... + 321886.

It is an arithmetic number, because the mean of its divisors is an integer number (1931256).

Almost surely, 2^7081261 is an apocalyptic number.

It is an amenable number.

7081261 is a deficient number, since it is larger than the sum of its proper divisors (643763).

7081261 is a wasteful number, since it uses less digits than its factorization.

7081261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643762.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 7081261 is about 2661.0638849904. The cubic root of 7081261 is about 192.0304946500.

The spelling of 7081261 in words is "seven million, eighty-one thousand, two hundred sixty-one".