4005246061 has 4 divisors (see below), whose sum is σ = 4007400124. Its totient is φ = 4003092000.

The previous prime is 4005246023. The next prime is 4005246067. The reversal of 4005246061 is 1606425004.

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 234549225 + 3770696836 = 15315^2 + 61406^2 .

It is a cyclic number.

It is not a de Polignac number, because 4005246061 - 2⁹ = 4005245549 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 (4005246067) 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, 1074240 + ... + 1077961.

It is an arithmetic number, because the mean of its divisors is an integer number (1001850031).

Almost surely, 2^4005246061 is an apocalyptic number.

It is an amenable number.

4005246061 is a deficient number, since it is larger than the sum of its proper divisors (2154063).

4005246061 is a wasteful number, since it uses less digits than its factorization.

4005246061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154062.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4005246061 is about 63287.0133676728. The cubic root of 4005246061 is about 1588.0947157022.

The spelling of 4005246061 in words is "four billion, five million, two hundred forty-six thousand, sixty-one".