1325923 has 2 divisors, whose sum is σ = 1325924. Its totient is φ = 1325922.

The previous prime is 1325911. The next prime is 1325939. The reversal of 1325923 is 3295231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325923 is a prime.

It is an Ulam number.

1325923 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1325903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662961 + 662962.

It is an arithmetic number, because the mean of its divisors is an integer number (662962).

2^1325923 is an apocalyptic number.

1325923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325923 is an equidigital number, since it uses as much as digits as its factorization.

1325923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 1325923 is about 1151.4872991049. The cubic root of 1325923 is about 109.8599595319.

The spelling of 1325923 in words is "one million, three hundred twenty-five thousand, nine hundred twenty-three".