1438383325 has 54 divisors (see below), whose sum is σ = 1942289934. Its totient is φ = 1055859840.

The previous prime is 1438383307. The next prime is 1438383341. The reversal of 1438383325 is 5233838341.

It can be written as a sum of positive squares in 9 ways, for example, as 111894084 + 1326489241 = 10578^2 + 36421^2 .

It is not a de Polignac number, because 1438383325 - 2²³ = 1429994717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 33450754 + ... + 33450796.

Almost surely, 2^1438383325 is an apocalyptic number.

It is an amenable number.

1438383325 is a deficient number, since it is larger than the sum of its proper divisors (503906609).

1438383325 is an equidigital number, since it uses as much as digits as its factorization.

1438383325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 114 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 1438383325 is about 37926.0243764094. The cubic root of 1438383325 is about 1128.8204793482.

The spelling of 1438383325 in words is "one billion, four hundred thirty-eight million, three hundred eighty-three thousand, three hundred twenty-five".