4181261 has 16 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 3438960.

The previous prime is 4181257. The next prime is 4181263. The reversal of 4181261 is 1621814.

It is not a de Polignac number, because 4181261 - 2² = 4181257 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 (4181263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23270 + ... + 23448.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

Almost surely, 2^4181261 is an apocalyptic number.

It is an amenable number.

4181261 is a deficient number, since it is larger than the sum of its proper divisors (795379).

4181261 is a wasteful number, since it uses less digits than its factorization.

4181261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its digits is 384, while the sum is 23.

The square root of 4181261 is about 2044.8131944019. The cubic root of 4181261 is about 161.1025541586.

The spelling of 4181261 in words is "four million, one hundred eighty-one thousand, two hundred sixty-one".