3701081 has 4 divisors (see below), whose sum is σ = 3706164. Its totient is φ = 3696000.

The previous prime is 3701077. The next prime is 3701101. The reversal of 3701081 is 1801073.

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 403225 + 3297856 = 635^2 + 1816^2 .

It is a cyclic number.

It is not a de Polignac number, because 3701081 - 2² = 3701077 is a prime.

It is a super-2 number, since 2×3701081² = 27396001137122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3701021) 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, 1220 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (926541).

Almost surely, 2^3701081 is an apocalyptic number.

It is an amenable number.

3701081 is a deficient number, since it is larger than the sum of its proper divisors (5083).

3701081 is an equidigital number, since it uses as much as digits as its factorization.

3701081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 3701081 is about 1923.8193782162. The cubic root of 3701081 is about 154.6830986266.

The spelling of 3701081 in words is "three million, seven hundred one thousand, eighty-one".