3552100421 has 4 divisors (see below), whose sum is σ = 3583535052. Its totient is φ = 3520665792.

The previous prime is 3552100403. The next prime is 3552100429. The reversal of 3552100421 is 1240012553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1240012553 = 13 ⋅95385581.

It can be written as a sum of positive squares in 2 ways, for example, as 1559460100 + 1992640321 = 39490^2 + 44639^2 .

It is a cyclic number.

It is not a de Polignac number, because 3552100421 - 2¹⁴ = 3552084037 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 (3552100429) 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, 15717146 + ... + 15717371.

It is an arithmetic number, because the mean of its divisors is an integer number (895883763).

Almost surely, 2^3552100421 is an apocalyptic number.

It is an amenable number.

3552100421 is a deficient number, since it is larger than the sum of its proper divisors (31434631).

3552100421 is a wasteful number, since it uses less digits than its factorization.

3552100421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31434630.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 3552100421 is about 59599.5001740786. The cubic root of 3552100421 is about 1525.7911037912.

Adding to 3552100421 its reverse (1240012553), we get a palindrome (4792112974).

The spelling of 3552100421 in words is "three billion, five hundred fifty-two million, one hundred thousand, four hundred twenty-one".