3605126401 has 4 divisors (see below), whose sum is σ = 3605831172. Its totient is φ = 3604421632.

The previous prime is 3605126333. The next prime is 3605126417. The reversal of 3605126401 is 1046215063.

3605126401 is digitally balanced in base 2, 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 1542604176 + 2062522225 = 39276^2 + 45415^2 .

It is a cyclic number.

It is not a de Polignac number, because 3605126401 - 2²⁷ = 3470908673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3605126401.

It is not an unprimeable number, because it can be changed into a prime (3605127401) 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, 344656 + ... + 354961.

It is an arithmetic number, because the mean of its divisors is an integer number (901457793).

Almost surely, 2^3605126401 is an apocalyptic number.

It is an amenable number.

3605126401 is a deficient number, since it is larger than the sum of its proper divisors (704771).

3605126401 is an equidigital number, since it uses as much as digits as its factorization.

3605126401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704770.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3605126401 is about 60042.7048108261. The cubic root of 3605126401 is about 1533.3460029776.

The spelling of 3605126401 in words is "three billion, six hundred five million, one hundred twenty-six thousand, four hundred one".