1378450325 has 12 divisors (see below), whose sum is σ = 1953461280. Its totient is φ = 945222960.

The previous prime is 1378450319. The next prime is 1378450327. The reversal of 1378450325 is 5230548731.

It is not a de Polignac number, because 1378450325 - 2¹² = 1378446229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378450327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3938255 + ... + 3938604.

It is an arithmetic number, because the mean of its divisors is an integer number (162788440).

Almost surely, 2^1378450325 is an apocalyptic number.

It is an amenable number.

1378450325 is a deficient number, since it is larger than the sum of its proper divisors (575010955).

1378450325 is an equidigital number, since it uses as much as digits as its factorization.

1378450325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876876 (or 7876871 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 1378450325 is about 37127.4874587549. The cubic root of 1378450325 is about 1112.9193840284.

The spelling of 1378450325 in words is "one billion, three hundred seventy-eight million, four hundred fifty thousand, three hundred twenty-five".