606868451 has 4 divisors (see below), whose sum is σ = 693563952. Its totient is φ = 520172952.

The previous prime is 606868447. The next prime is 606868463. The reversal of 606868451 is 154868606.

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 606868451 - 2² = 606868447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606868411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43347740 + ... + 43347753.

It is an arithmetic number, because the mean of its divisors is an integer number (173390988).

Almost surely, 2^606868451 is an apocalyptic number.

606868451 is a deficient number, since it is larger than the sum of its proper divisors (86695501).

606868451 is an equidigital number, since it uses as much as digits as its factorization.

606868451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86695500.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 606868451 is about 24634.7001402493. The cubic root of 606868451 is about 846.6388376335.

The spelling of 606868451 in words is "six hundred six million, eight hundred sixty-eight thousand, four hundred fifty-one".