669825103 has 2 divisors, whose sum is σ = 669825104. Its totient is φ = 669825102.

The previous prime is 669825089. The next prime is 669825131. The reversal of 669825103 is 301528966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 669825103 - 2¹⁷ = 669694031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (669825133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334912551 + 334912552.

It is an arithmetic number, because the mean of its divisors is an integer number (334912552).

Almost surely, 2^669825103 is an apocalyptic number.

669825103 is a deficient number, since it is larger than the sum of its proper divisors (1).

669825103 is an equidigital number, since it uses as much as digits as its factorization.

669825103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 669825103 is about 25880.9795602871. The cubic root of 669825103 is about 874.9578659439.

The spelling of 669825103 in words is "six hundred sixty-nine million, eight hundred twenty-five thousand, one hundred three".