3554021401 has 6 divisors (see below), whose sum is σ = 4134269850. Its totient is φ = 3046304016.

The previous prime is 3554021399. The next prime is 3554021407. The reversal of 3554021401 is 1041204553.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3527766025 + 26255376 = 59395^2 + 5124^2 .

It is not a de Polignac number, because 3554021401 - 2¹ = 3554021399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3554021407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36265476 + ... + 36265573.

It is an arithmetic number, because the mean of its divisors is an integer number (689044975).

Almost surely, 2^3554021401 is an apocalyptic number.

It is an amenable number.

3554021401 is a deficient number, since it is larger than the sum of its proper divisors (580248449).

3554021401 is an equidigital number, since it uses as much as digits as its factorization.

3554021401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72531063 (or 72531056 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3554021401 is about 59615.6137349940. The cubic root of 3554021401 is about 1526.0661040859.

Adding to 3554021401 its reverse (1041204553), we get a palindrome (4595225954).

The spelling of 3554021401 in words is "three billion, five hundred fifty-four million, twenty-one thousand, four hundred one".