2905201538 has 6 divisors (see below), whose sum is σ = 4357916649. Its totient is φ = 1452562656.

The previous prime is 2905201511. The next prime is 2905201547. The reversal of 2905201538 is 8351025092.

2905201538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2889385009 + 15816529 = 53753^2 + 3977^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=38113.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2905201498 and 2905201507.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 57170 + ... + 95282.

Almost surely, 2^2905201538 is an apocalyptic number.

2905201538 is a deficient number, since it is larger than the sum of its proper divisors (1452715111).

2905201538 is an frugal number, since it uses more digits than its factorization.

2905201538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76228 (or 38115 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2905201538 is about 53899.9215027258. The cubic root of 2905201538 is about 1426.8952376256.

The spelling of 2905201538 in words is "two billion, nine hundred five million, two hundred one thousand, five hundred thirty-eight".