1625040103 has 2 divisors, whose sum is σ = 1625040104. Its totient is φ = 1625040102.

The previous prime is 1625040097. The next prime is 1625040163. The reversal of 1625040103 is 3010405261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1625040103 - 2⁵ = 1625040071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625040163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812520051 + 812520052.

It is an arithmetic number, because the mean of its divisors is an integer number (812520052).

Almost surely, 2^1625040103 is an apocalyptic number.

1625040103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625040103 is an equidigital number, since it uses as much as digits as its factorization.

1625040103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1625040103 is about 40311.7861549200. The cubic root of 1625040103 is about 1175.6770151218.

Adding to 1625040103 its reverse (3010405261), we get a palindrome (4635445364).

The spelling of 1625040103 in words is "one billion, six hundred twenty-five million, forty thousand, one hundred three".