3205012427 has 4 divisors (see below), whose sum is σ = 3214695576. Its totient is φ = 3195329280.

The previous prime is 3205012423. The next prime is 3205012451. The reversal of 3205012427 is 7242105023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3205012427 - 2² = 3205012423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3205012396 and 3205012405.

It is not an unprimeable number, because it can be changed into a prime (3205012423) 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, 4841078 + ... + 4841739.

It is an arithmetic number, because the mean of its divisors is an integer number (803673894).

Almost surely, 2^3205012427 is an apocalyptic number.

3205012427 is a deficient number, since it is larger than the sum of its proper divisors (9683149).

3205012427 is an equidigital number, since it uses as much as digits as its factorization.

3205012427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683148.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 3205012427 is about 56612.8291732537. The cubic root of 3205012427 is about 1474.3816121959.

The spelling of 3205012427 in words is "three billion, two hundred five million, twelve thousand, four hundred twenty-seven".