2064251 has 4 divisors (see below), whose sum is σ = 2359152. Its totient is φ = 1769352.

The previous prime is 2064247. The next prime is 2064263. The reversal of 2064251 is 1524602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2064251 - 2² = 2064247 is a prime.

It is a super-2 number, since 2×2064251² = 8522264382002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2064241) 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, 147440 + ... + 147453.

It is an arithmetic number, because the mean of its divisors is an integer number (589788).

2^2064251 is an apocalyptic number.

2064251 is a deficient number, since it is larger than the sum of its proper divisors (294901).

2064251 is an equidigital number, since it uses as much as digits as its factorization.

2064251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294900.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2064251 is about 1436.7501522533. The cubic root of 2064251 is about 127.3270961435.

Adding to 2064251 its reverse (1524602), we get a palindrome (3588853).

The spelling of 2064251 in words is "two million, sixty-four thousand, two hundred fifty-one".