2061355001 has 4 divisors (see below), whose sum is σ = 2061462900. Its totient is φ = 2061247104.

The previous prime is 2061354983. The next prime is 2061355067. The reversal of 2061355001 is 1005531602.

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 781146601 + 1280208400 = 27949^2 + 35780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2061355001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061352001) 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, 16736 + ... + 66353.

It is an arithmetic number, because the mean of its divisors is an integer number (515365725).

Almost surely, 2^2061355001 is an apocalyptic number.

It is an amenable number.

2061355001 is a deficient number, since it is larger than the sum of its proper divisors (107899).

2061355001 is an equidigital number, since it uses as much as digits as its factorization.

2061355001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107898.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2061355001 is about 45402.1475373137. The cubic root of 2061355001 is about 1272.6752462238.

Adding to 2061355001 its reverse (1005531602), we get a palindrome (3066886603).

The spelling of 2061355001 in words is "two billion, sixty-one million, three hundred fifty-five thousand, one".