4251563 has 2 divisors, whose sum is σ = 4251564. Its totient is φ = 4251562.

The previous prime is 4251553. The next prime is 4251589. The reversal of 4251563 is 3651524.

It is an a-pointer prime, because the next prime (4251589) can be obtained adding 4251563 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4251563 - 2²² = 57259 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4251523) 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, 2125781 + 2125782.

It is an arithmetic number, because the mean of its divisors is an integer number (2125782).

Almost surely, 2^4251563 is an apocalyptic number.

4251563 is a deficient number, since it is larger than the sum of its proper divisors (1).

4251563 is an equidigital number, since it uses as much as digits as its factorization.

4251563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 4251563 is about 2061.9318611438. The cubic root of 4251563 is about 162.0004445448. Note that the first 3 decimals are identical.

The spelling of 4251563 in words is "four million, two hundred fifty-one thousand, five hundred sixty-three".