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2671481 = 10924509

2671481 has 4 divisors (see below), whose sum is σ = 2696100. Its totient is φ = 2646864.

The previous prime is 2671447. The next prime is 2671489. The reversal of 2671481 is 1841762.

2671481 is digitally balanced in base 2, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2202256 + 469225 = 1484^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 2671481 - 210 = 2670457 is a prime.

It is a super-2 number, since 2×26714812 = 14273621466722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2671489) 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, 12146 + ... + 12363.

It is an arithmetic number, because the mean of its divisors is an integer number (674025).

22671481 is an apocalyptic number.

It is an amenable number.

2671481 is a deficient number, since it is larger than the sum of its proper divisors (24619).

2671481 is a wasteful number, since it uses less digits than its factorization.

2671481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24618.

The product of its digits is 2688, while the sum is 29.

The square root of 2671481 is about 1634.4665796522. The cubic root of 2671481 is about 138.7556565072.

The spelling of 2671481 in words is "two million, six hundred seventy-one thousand, four hundred eighty-one".

Divisors: 1 109 24509 2671481