602421345 has 12 divisors (see below), whose sum is σ = 1044197076. Its totient is φ = 321291360.

The previous prime is 602421341. The next prime is 602421361. The reversal of 602421345 is 543124206.

602421345 is a `hidden beast` number, since 602 + 4 + 2 + 13 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 150773841 + 451647504 = 12279^2 + 21252^2 .

It is not a de Polignac number, because 602421345 - 2² = 602421341 is a prime.

It is a super-2 number, since 2×602421345² = 725822953823218050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (602421341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6693526 + ... + 6693615.

It is an arithmetic number, because the mean of its divisors is an integer number (87016423).

Almost surely, 2^602421345 is an apocalyptic number.

It is an amenable number.

602421345 is a deficient number, since it is larger than the sum of its proper divisors (441775731).

602421345 is a wasteful number, since it uses less digits than its factorization.

602421345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13387152 (or 13387149 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 602421345 is about 24544.2731609636. The cubic root of 602421345 is about 844.5657210814.

The spelling of 602421345 in words is "six hundred two million, four hundred twenty-one thousand, three hundred forty-five".