606606251 has 2 divisors, whose sum is σ = 606606252. Its totient is φ = 606606250.

The previous prime is 606606241. The next prime is 606606263. The reversal of 606606251 is 152606606.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606606251 is a prime.

It is a super-2 number, since 2×606606251² = 735942287504550002, which contains 22 as substring.

It is equal to p_31651754 and since 606606251 and 31651754 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (606606241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303303125 + 303303126.

It is an arithmetic number, because the mean of its divisors is an integer number (303303126).

Almost surely, 2^606606251 is an apocalyptic number.

606606251 is a deficient number, since it is larger than the sum of its proper divisors (1).

606606251 is an equidigital number, since it uses as much as digits as its factorization.

606606251 is an evil number, because the sum of its binary digits is even.

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

The square root of 606606251 is about 24629.3778037530. The cubic root of 606606251 is about 846.5168888098.

The spelling of 606606251 in words is "six hundred six million, six hundred six thousand, two hundred fifty-one".