2003421502 has 8 divisors (see below), whose sum is σ = 3005327016. Its totient is φ = 1001645832.

The previous prime is 2003421479. The next prime is 2003421517. The reversal of 2003421502 is 2051243002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2003421502.

It is a congruent number.

It is an unprimeable number.

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, 30673 + ... + 70339.

It is an arithmetic number, because the mean of its divisors is an integer number (375665877).

Almost surely, 2^2003421502 is an apocalyptic number.

2003421502 is a deficient number, since it is larger than the sum of its proper divisors (1001905514).

2003421502 is a wasteful number, since it uses less digits than its factorization.

2003421502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64922.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2003421502 is about 44759.5967586841. The cubic root of 2003421502 is about 1260.6391109745.

Adding to 2003421502 its reverse (2051243002), we get a palindrome (4054664504).

The spelling of 2003421502 in words is "two billion, three million, four hundred twenty-one thousand, five hundred two".