3705552401 has 4 divisors (see below), whose sum is σ = 3833330100. Its totient is φ = 3577774704.

The previous prime is 3705552397. The next prime is 3705552437. The reversal of 3705552401 is 1042555073.

3705552401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 687698176 + 3017854225 = 26224^2 + 54935^2 .

It is a cyclic number.

It is not a de Polignac number, because 3705552401 - 2² = 3705552397 is a prime.

It is a super-2 number, since 2×3705552401² = 27462237193113729602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3705552001) 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, 63888806 + ... + 63888863.

It is an arithmetic number, because the mean of its divisors is an integer number (958332525).

Almost surely, 2^3705552401 is an apocalyptic number.

It is an amenable number.

3705552401 is a deficient number, since it is larger than the sum of its proper divisors (127777699).

3705552401 is a wasteful number, since it uses less digits than its factorization.

3705552401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127777698.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 3705552401 is about 60873.2486483184. The cubic root of 3705552401 is about 1547.4536618332.

The spelling of 3705552401 in words is "three billion, seven hundred five million, five hundred fifty-two thousand, four hundred one".