2051711401 has 4 divisors (see below), whose sum is σ = 2122460100. Its totient is φ = 1980962704.

The previous prime is 2051711377. The next prime is 2051711407. The reversal of 2051711401 is 1041171502.

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 1577996176 + 473715225 = 39724^2 + 21765^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051711401 - 2⁵ = 2051711369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051711407) 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, 35374306 + ... + 35374363.

It is an arithmetic number, because the mean of its divisors is an integer number (530615025).

Almost surely, 2^2051711401 is an apocalyptic number.

It is an amenable number.

2051711401 is a deficient number, since it is larger than the sum of its proper divisors (70748699).

2051711401 is an equidigital number, since it uses as much as digits as its factorization.

2051711401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70748698.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 2051711401 is about 45295.8210103316. The cubic root of 2051711401 is about 1270.6874986797.

Adding to 2051711401 its reverse (1041171502), we get a palindrome (3092882903).

The spelling of 2051711401 in words is "two billion, fifty-one million, seven hundred eleven thousand, four hundred one".