1906278325 has 12 divisors (see below), whose sum is σ = 2701468960. Its totient is φ = 1307162160.

The previous prime is 1906278307. The next prime is 1906278329. The reversal of 1906278325 is 5238726091.

It is not a de Polignac number, because 1906278325 - 2¹¹ = 1906276277 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906278329) 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, 5446335 + ... + 5446684.

Almost surely, 2^1906278325 is an apocalyptic number.

It is an amenable number.

1906278325 is a deficient number, since it is larger than the sum of its proper divisors (795190635).

1906278325 is a wasteful number, since it uses less digits than its factorization.

1906278325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10893036 (or 10893031 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1906278325 is about 43660.9473671839. The cubic root of 1906278325 is about 1239.9250572553.

The spelling of 1906278325 in words is "one billion, nine hundred six million, two hundred seventy-eight thousand, three hundred twenty-five".