603421901 has 2 divisors, whose sum is σ = 603421902. Its totient is φ = 603421900.

The previous prime is 603421873. The next prime is 603421933. The reversal of 603421901 is 109124306.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546343876 + 57078025 = 23374^2 + 7555^2 .

It is a cyclic number.

It is not a de Polignac number, because 603421901 - 2⁶ = 603421837 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 (603423901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301710950 + 301710951.

It is an arithmetic number, because the mean of its divisors is an integer number (301710951).

Almost surely, 2^603421901 is an apocalyptic number.

It is an amenable number.

603421901 is a deficient number, since it is larger than the sum of its proper divisors (1).

603421901 is an equidigital number, since it uses as much as digits as its factorization.

603421901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 603421901 is about 24564.6473819593. The cubic root of 603421901 is about 845.0330395680.

The spelling of 603421901 in words is "six hundred three million, four hundred twenty-one thousand, nine hundred one".