1925603 has 2 divisors, whose sum is σ = 1925604. Its totient is φ = 1925602.

The previous prime is 1925579. The next prime is 1925611. The reversal of 1925603 is 3065291.

It is a strong prime.

It is an emirp because it is prime and its reverse (3065291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1925603 - 2¹⁰ = 1924579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1925653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962801 + 962802.

It is an arithmetic number, because the mean of its divisors is an integer number (962802).

2^1925603 is an apocalyptic number.

1925603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925603 is an equidigital number, since it uses as much as digits as its factorization.

1925603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1925603 is about 1387.6609816522. The cubic root of 1925603 is about 124.4100843760.

The spelling of 1925603 in words is "one million, nine hundred twenty-five thousand, six hundred three".