869625403 has 2 divisors, whose sum is σ = 869625404. Its totient is φ = 869625402.

The previous prime is 869625401. The next prime is 869625413. The reversal of 869625403 is 304526968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 869625403 - 2¹ = 869625401 is a prime.

Together with 869625401, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 869625403.

It is not a weakly prime, because it can be changed into another prime (869625401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434812701 + 434812702.

It is an arithmetic number, because the mean of its divisors is an integer number (434812702).

Almost surely, 2^869625403 is an apocalyptic number.

869625403 is a deficient number, since it is larger than the sum of its proper divisors (1).

869625403 is an equidigital number, since it uses as much as digits as its factorization.

869625403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 869625403 is about 29489.4117099680. The cubic root of 869625403 is about 954.5032377104.

The spelling of 869625403 in words is "eight hundred sixty-nine million, six hundred twenty-five thousand, four hundred three".