1381332925 has 12 divisors (see below), whose sum is σ = 1957546336. Its totient is φ = 947199600.

The previous prime is 1381332913. The next prime is 1381332929. The reversal of 1381332925 is 5292331831.

1381332925 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1381332925 - 2⁵ = 1381332893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381332929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3946491 + ... + 3946840.

Almost surely, 2^1381332925 is an apocalyptic number.

It is an amenable number.

1381332925 is a deficient number, since it is larger than the sum of its proper divisors (576213411).

1381332925 is an equidigital number, since it uses as much as digits as its factorization.

1381332925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893348 (or 7893343 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 1381332925 is about 37166.2874793811. The cubic root of 1381332925 is about 1113.6946187743.

The spelling of 1381332925 in words is "one billion, three hundred eighty-one million, three hundred thirty-two thousand, nine hundred twenty-five".