1325438 has 4 divisors (see below), whose sum is σ = 1988160. Its totient is φ = 662718.

The previous prime is 1325431. The next prime is 1325449. The reversal of 1325438 is 8345231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8345231 = 31 ⋅269201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331358 + ... + 331361.

It is an arithmetic number, because the mean of its divisors is an integer number (497040).

2^1325438 is an apocalyptic number.

1325438 is a deficient number, since it is larger than the sum of its proper divisors (662722).

1325438 is an equidigital number, since it uses as much as digits as its factorization.

1325438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662721.

The product of its digits is 2880, while the sum is 26.

The square root of 1325438 is about 1151.2766826441. The cubic root of 1325438 is about 109.8465629323.

The spelling of 1325438 in words is "one million, three hundred twenty-five thousand, four hundred thirty-eight".