2511247 has 2 divisors, whose sum is σ = 2511248. Its totient is φ = 2511246.

The previous prime is 2511241. The next prime is 2511253. The reversal of 2511247 is 7421152.

It is a happy number.

2511247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2511241) and next prime (2511253).

It is a cyclic number.

It is not a de Polignac number, because 2511247 - 2¹⁵ = 2478479 is a prime.

It is a super-2 number, since 2×2511247² = 12612722990018, which contains 22 as substring.

It is an Ulam number.

2511247 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2511241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255623 + 1255624.

It is an arithmetic number, because the mean of its divisors is an integer number (1255624).

2^2511247 is an apocalyptic number.

2511247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2511247 is an equidigital number, since it uses as much as digits as its factorization.

2511247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 560, while the sum is 22.

The square root of 2511247 is about 1584.6914526178. The cubic root of 2511247 is about 135.9241034140.

Adding to 2511247 its reverse (7421152), we get a palindrome (9932399).

The spelling of 2511247 in words is "two million, five hundred eleven thousand, two hundred forty-seven".