625106243 has 2 divisors, whose sum is σ = 625106244. Its totient is φ = 625106242.

The previous prime is 625106233. The next prime is 625106291. The reversal of 625106243 is 342601526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625106243 - 2¹⁰ = 625105219 is a prime.

It is not a weakly prime, because it can be changed into another prime (625106233) 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, 312553121 + 312553122.

It is an arithmetic number, because the mean of its divisors is an integer number (312553122).

Almost surely, 2^625106243 is an apocalyptic number.

625106243 is a deficient number, since it is larger than the sum of its proper divisors (1).

625106243 is an equidigital number, since it uses as much as digits as its factorization.

625106243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 625106243 is about 25002.1247697071. The cubic root of 625106243 is about 855.0364167200.

Adding to 625106243 its reverse (342601526), we get a palindrome (967707769).

The spelling of 625106243 in words is "six hundred twenty-five million, one hundred six thousand, two hundred forty-three".