7161481 has 4 divisors (see below), whose sum is σ = 7168000. Its totient is φ = 7154964.

The previous prime is 7161467. The next prime is 7161493. The reversal of 7161481 is 1841617.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1841617 = 31 ⋅59407.

It is a cyclic number.

It is not a de Polignac number, because 7161481 - 2⁵ = 7161449 is a prime.

It is a super-2 number, since 2×7161481² = 102573620226722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161421) 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, 1161 + ... + 3958.

It is an arithmetic number, because the mean of its divisors is an integer number (1792000).

Almost surely, 2^7161481 is an apocalyptic number.

It is an amenable number.

7161481 is a deficient number, since it is larger than the sum of its proper divisors (6519).

7161481 is a wasteful number, since it uses less digits than its factorization.

7161481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518.

The product of its digits is 1344, while the sum is 28.

The square root of 7161481 is about 2676.0943555861. The cubic root of 7161481 is about 192.7529120757.

It can be divided in two parts, 716 and 1481, that added together give a cube (2197 = 13³).

The spelling of 7161481 in words is "seven million, one hundred sixty-one thousand, four hundred eighty-one".