2637251 has 2 divisors, whose sum is σ = 2637252. Its totient is φ = 2637250.

The previous prime is 2637221. The next prime is 2637253. The reversal of 2637251 is 1527362.

2637251 is nontrivially palindromic in base 11.

2637251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2637251 is a prime.

Together with 2637253, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2637251.

It is not a weakly prime, because it can be changed into another prime (2637253) 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, 1318625 + 1318626.

It is an arithmetic number, because the mean of its divisors is an integer number (1318626).

2^2637251 is an apocalyptic number.

2637251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2637251 is an equidigital number, since it uses as much as digits as its factorization.

2637251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 2637251 is about 1623.9615143223. The cubic root of 2637251 is about 138.1604763402.

The spelling of 2637251 in words is "two million, six hundred thirty-seven thousand, two hundred fifty-one".