2003252421 has 8 divisors (see below), whose sum is σ = 2671577440. Its totient is φ = 1335214512.

The previous prime is 2003252389. The next prime is 2003252423. The reversal of 2003252421 is 1242523002.

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

It is not a de Polignac number, because 2003252421 - 2⁵ = 2003252389 is a prime.

It is a super-2 number, since 2×2003252421² = 8026040524484722482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003252423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54931 + ... + 83808.

It is an arithmetic number, because the mean of its divisors is an integer number (333947180).

Almost surely, 2^2003252421 is an apocalyptic number.

It is an amenable number.

2003252421 is a deficient number, since it is larger than the sum of its proper divisors (668325019).

2003252421 is a wasteful number, since it uses less digits than its factorization.

2003252421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143555.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2003252421 is about 44757.7079506983. The cubic root of 2003252421 is about 1260.6036456272.

Adding to 2003252421 its reverse (1242523002), we get a palindrome (3245775423).

The spelling of 2003252421 in words is "two billion, three million, two hundred fifty-two thousand, four hundred twenty-one".