3552106421 has 2 divisors, whose sum is σ = 3552106422. Its totient is φ = 3552106420.

The previous prime is 3552106391. The next prime is 3552106423. The reversal of 3552106421 is 1246012553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3320640625 + 231465796 = 57625^2 + 15214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3552106421 - 2¹⁴ = 3552090037 is a prime.

It is a super-2 number, since 2×3552106421² = 25234920052218858482, which contains 22 as substring.

Together with 3552106423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3552106423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1776053210 + 1776053211.

It is an arithmetic number, because the mean of its divisors is an integer number (1776053211).

Almost surely, 2^3552106421 is an apocalyptic number.

It is an amenable number.

3552106421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3552106421 is an equidigital number, since it uses as much as digits as its factorization.

3552106421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 3552106421 is about 59599.5505100500. The cubic root of 3552106421 is about 1525.7919628830.

Adding to 3552106421 its reverse (1246012553), we get a palindrome (4798118974).

The spelling of 3552106421 in words is "three billion, five hundred fifty-two million, one hundred six thousand, four hundred twenty-one".