1325403 has 10 divisors (see below), whose sum is σ = 1980044. Its totient is φ = 883548.

The previous prime is 1325399. The next prime is 1325417. The reversal of 1325403 is 3045231.

It is not a de Polignac number, because 1325403 - 2² = 1325399 is a prime.

It is a super-2 number, since 2×1325403² = 3513386224818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325483) 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 in 9 ways as a sum of consecutive naturals, for example, 8101 + ... + 8262.

2^1325403 is an apocalyptic number.

1325403 is a deficient number, since it is larger than the sum of its proper divisors (654641).

1325403 is an equidigital number, since it uses as much as digits as its factorization.

1325403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16375 (or 16366 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1325403 is about 1151.2614820274. The cubic root of 1325403 is about 109.8455960410.

It can be divided in two parts, 1325 and 403, that added together give a cube (1728 = 12³).

The spelling of 1325403 in words is "one million, three hundred twenty-five thousand, four hundred three".