3815332061 has 4 divisors (see below), whose sum is σ = 3815725500. Its totient is φ = 3814938624.

The previous prime is 3815332057. The next prime is 3815332091. The reversal of 3815332061 is 1602335183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1602335183 = 599 ⋅2675017.

It can be written as a sum of positive squares in 2 ways, for example, as 1837751161 + 1977580900 = 42869^2 + 44470^2 .

It is a cyclic number.

It is not a de Polignac number, because 3815332061 - 2² = 3815332057 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 (3815332051) 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, 181796 + ... + 201693.

It is an arithmetic number, because the mean of its divisors is an integer number (953931375).

Almost surely, 2^3815332061 is an apocalyptic number.

It is an amenable number.

3815332061 is a deficient number, since it is larger than the sum of its proper divisors (393439).

3815332061 is an equidigital number, since it uses as much as digits as its factorization.

3815332061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393438.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3815332061 is about 61768.3742784283. The cubic root of 3815332061 is about 1562.5866659214.

The spelling of 3815332061 in words is "three billion, eight hundred fifteen million, three hundred thirty-two thousand, sixty-one".