2635247 has 2 divisors, whose sum is σ = 2635248. Its totient is φ = 2635246.

The previous prime is 2635229. The next prime is 2635253. The reversal of 2635247 is 7425362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2635247 - 2⁸ = 2634991 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 6⁷ + 3⁶ + 5⁹ + 2¹⁷ + 4⁹ + 7² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2635267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317623 + 1317624.

It is an arithmetic number, because the mean of its divisors is an integer number (1317624).

2^2635247 is an apocalyptic number.

2635247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2635247 is an equidigital number, since it uses as much as digits as its factorization.

2635247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 2635247 is about 1623.3443873683. The cubic root of 2635247 is about 138.1254722451.

It can be divided in two parts, 2635 and 247, that added together give a palindrome (2882).

The spelling of 2635247 in words is "two million, six hundred thirty-five thousand, two hundred forty-seven".