602431421 has 4 divisors (see below), whose sum is σ = 606765600. Its totient is φ = 598097244.

The previous prime is 602431393. The next prime is 602431429. The reversal of 602431421 is 124134206.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-602431421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602431429) 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 in 3 ways as a sum of consecutive naturals, for example, 2166881 + ... + 2167158.

It is an arithmetic number, because the mean of its divisors is an integer number (151691400).

Almost surely, 2^602431421 is an apocalyptic number.

It is an amenable number.

602431421 is a deficient number, since it is larger than the sum of its proper divisors (4334179).

602431421 is a wasteful number, since it uses less digits than its factorization.

602431421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334178.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 602431421 is about 24544.4784218365. The cubic root of 602431421 is about 844.5704297441.

Adding to 602431421 its reverse (124134206), we get a palindrome (726565627).

The spelling of 602431421 in words is "six hundred two million, four hundred thirty-one thousand, four hundred twenty-one".