3552605021 has 4 divisors (see below), whose sum is σ = 4060120032. Its totient is φ = 3045090012.

The previous prime is 3552604981. The next prime is 3552605041. The reversal of 3552605021 is 1205062553.

It is a happy number.

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 not a de Polignac number, because 3552605021 - 2²² = 3548410717 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 (3552605041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253757495 + ... + 253757508.

It is an arithmetic number, because the mean of its divisors is an integer number (1015030008).

Almost surely, 2^3552605021 is an apocalyptic number.

It is an amenable number.

3552605021 is a deficient number, since it is larger than the sum of its proper divisors (507515011).

3552605021 is an equidigital number, since it uses as much as digits as its factorization.

3552605021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507515010.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 3552605021 is about 59603.7332807266. The cubic root of 3552605021 is about 1525.8633500348.

Adding to 3552605021 its reverse (1205062553), we get a palindrome (4757667574).

The spelling of 3552605021 in words is "three billion, five hundred fifty-two million, six hundred five thousand, twenty-one".