2056501 has 2 divisors, whose sum is σ = 2056502. Its totient is φ = 2056500.

The previous prime is 2056489. The next prime is 2056517. The reversal of 2056501 is 1056502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 857476 = 1095^2 + 926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2056501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028250 + 1028251.

It is an arithmetic number, because the mean of its divisors is an integer number (1028251).

2^2056501 is an apocalyptic number.

It is an amenable number.

2056501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056501 is an equidigital number, since it uses as much as digits as its factorization.

2056501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2056501 is about 1434.0505569888. The cubic root of 2056501 is about 127.1675511879.

Subtracting from 2056501 its reverse (1056502), we obtain a palindrome (999999).

The spelling of 2056501 in words is "two million, fifty-six thousand, five hundred one".