1625505103 has 2 divisors, whose sum is σ = 1625505104. Its totient is φ = 1625505102.

The previous prime is 1625505097. The next prime is 1625505121. The reversal of 1625505103 is 3015055261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1625505103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625505163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812752551 + 812752552.

It is an arithmetic number, because the mean of its divisors is an integer number (812752552).

Almost surely, 2^1625505103 is an apocalyptic number.

1625505103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625505103 is an equidigital number, since it uses as much as digits as its factorization.

1625505103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1625505103 is about 40317.5532863789. The cubic root of 1625505103 is about 1175.7891431600.

The spelling of 1625505103 in words is "one billion, six hundred twenty-five million, five hundred five thousand, one hundred three".