603425021 has 2 divisors, whose sum is σ = 603425022. Its totient is φ = 603425020.

The previous prime is 603424999. The next prime is 603425029. The reversal of 603425021 is 120524306.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 573602500 + 29822521 = 23950^2 + 5461^2 .

It is a cyclic number.

It is not a de Polignac number, because 603425021 - 2⁶ = 603424957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (603425029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301712510 + 301712511.

It is an arithmetic number, because the mean of its divisors is an integer number (301712511).

Almost surely, 2^603425021 is an apocalyptic number.

It is an amenable number.

603425021 is a deficient number, since it is larger than the sum of its proper divisors (1).

603425021 is an equidigital number, since it uses as much as digits as its factorization.

603425021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 603425021 is about 24564.7108877756. The cubic root of 603425021 is about 845.0344959833.

Adding to 603425021 its reverse (120524306), we get a palindrome (723949327).

The spelling of 603425021 in words is "six hundred three million, four hundred twenty-five thousand, twenty-one".