352003005021 has 4 divisors (see below), whose sum is σ = 469337340032. Its totient is φ = 234668670012.

The previous prime is 352003005019. The next prime is 352003005041. The reversal of 352003005021 is 120500300253.

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 not a de Polignac number, because 352003005021 - 2¹ = 352003005019 is a prime.

It is a super-2 number, since 2×352003005021² (a number of 24 digits) 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 (352003005041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58667167501 + ... + 58667167506.

It is an arithmetic number, because the mean of its divisors is an integer number (117334335008).

Almost surely, 2^352003005021 is an apocalyptic number.

It is an amenable number.

352003005021 is a deficient number, since it is larger than the sum of its proper divisors (117334335011).

352003005021 is a wasteful number, since it uses less digits than its factorization.

352003005021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117334335010.

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 352003005021 its reverse (120500300253), we get a palindrome (472503305274).

The spelling of 352003005021 in words is "three hundred fifty-two billion, three million, five thousand, twenty-one".