601656403 has 2 divisors, whose sum is σ = 601656404. Its totient is φ = 601656402.

The previous prime is 601656397. The next prime is 601656431. The reversal of 601656403 is 304656106.

601656403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 601656403 - 2¹³ = 601648211 is a prime.

It is not a weakly prime, because it can be changed into another prime (601656443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300828201 + 300828202.

It is an arithmetic number, because the mean of its divisors is an integer number (300828202).

Almost surely, 2^601656403 is an apocalyptic number.

601656403 is a deficient number, since it is larger than the sum of its proper divisors (1).

601656403 is an equidigital number, since it uses as much as digits as its factorization.

601656403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 601656403 is about 24528.6853092456. The cubic root of 601656403 is about 844.2080990535.

The spelling of 601656403 in words is "six hundred one million, six hundred fifty-six thousand, four hundred three".