2153435201 has 4 divisors (see below), whose sum is σ = 2153544900. Its totient is φ = 2153325504.

The previous prime is 2153435177. The next prime is 2153435213. The reversal of 2153435201 is 1025343512.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1911788176 + 241647025 = 43724^2 + 15545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153435201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153435231) 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, 16436 + ... + 67653.

It is an arithmetic number, because the mean of its divisors is an integer number (538386225).

Almost surely, 2^2153435201 is an apocalyptic number.

It is an amenable number.

2153435201 is a deficient number, since it is larger than the sum of its proper divisors (109699).

2153435201 is an equidigital number, since it uses as much as digits as its factorization.

2153435201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109698.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2153435201 is about 46405.1204179022. The cubic root of 2153435201 is about 1291.3499081435.

Adding to 2153435201 its reverse (1025343512), we get a palindrome (3178778713).

The spelling of 2153435201 in words is "two billion, one hundred fifty-three million, four hundred thirty-five thousand, two hundred one".