1388796325 has 12 divisors (see below), whose sum is σ = 1968123040. Its totient is φ = 952317360.

The previous prime is 1388796307. The next prime is 1388796347. The reversal of 1388796325 is 5236978831.

It is not a de Polignac number, because 1388796325 - 2⁵ = 1388796293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3967815 + ... + 3968164.

Almost surely, 2^1388796325 is an apocalyptic number.

It is an amenable number.

1388796325 is a deficient number, since it is larger than the sum of its proper divisors (579326715).

1388796325 is an equidigital number, since it uses as much as digits as its factorization.

1388796325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935996 (or 7935991 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 1388796325 is about 37266.5577294174. The cubic root of 1388796325 is about 1115.6967967927.

The spelling of 1388796325 in words is "one billion, three hundred eighty-eight million, seven hundred ninety-six thousand, three hundred twenty-five".