606626245 has 4 divisors (see below), whose sum is σ = 727951500. Its totient is φ = 485300992.

The previous prime is 606626191. The next prime is 606626269. The reversal of 606626245 is 542626606.

It is a happy number.

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 62710561 + 543915684 = 7919^2 + 23322^2 .

It is a cyclic number.

It is not a de Polignac number, because 606626245 - 2⁷ = 606626117 is a prime.

It is a super-2 number, since 2×606626245² = 735990802245600050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60662620 + ... + 60662629.

It is an arithmetic number, because the mean of its divisors is an integer number (181987875).

Almost surely, 2^606626245 is an apocalyptic number.

It is an amenable number.

606626245 is a deficient number, since it is larger than the sum of its proper divisors (121325255).

606626245 is a wasteful number, since it uses less digits than its factorization.

606626245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121325254.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 606626245 is about 24629.7836977916. The cubic root of 606626245 is about 846.5261892265.

The spelling of 606626245 in words is "six hundred six million, six hundred twenty-six thousand, two hundred forty-five".