1625303 has 2 divisors, whose sum is σ = 1625304. Its totient is φ = 1625302.

The previous prime is 1625297. The next prime is 1625311. The reversal of 1625303 is 3035261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1625303 - 2⁴ = 1625287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812651 + 812652.

It is an arithmetic number, because the mean of its divisors is an integer number (812652).

2^1625303 is an apocalyptic number.

1625303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625303 is an equidigital number, since it uses as much as digits as its factorization.

1625303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1625303 is about 1274.8737192365. The cubic root of 1625303 is about 117.5740411566.

The spelling of 1625303 in words is "one million, six hundred twenty-five thousand, three hundred three".