1945046325 has 12 divisors (see below), whose sum is σ = 3215810048. Its totient is φ = 1037358000.

The previous prime is 1945046309. The next prime is 1945046329. The reversal of 1945046325 is 5236405491.

It is not a de Polignac number, because 1945046325 - 2⁴ = 1945046309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945046329) 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, 12966901 + ... + 12967050.

Almost surely, 2^1945046325 is an apocalyptic number.

1945046325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1945046325 is a deficient number, since it is larger than the sum of its proper divisors (1270763723).

1945046325 is a wasteful number, since it uses less digits than its factorization.

1945046325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25933964 (or 25933959 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 1945046325 is about 44102.6793403757. The cubic root of 1945046325 is about 1248.2741676321.

The spelling of 1945046325 in words is "one billion, nine hundred forty-five million, forty-six thousand, three hundred twenty-five".