1650890325 has 48 divisors (see below), whose sum is σ = 3139422080. Its totient is φ = 749848320.

The previous prime is 1650890317. The next prime is 1650890333. The reversal of 1650890325 is 5230980561.

It is an interprime number because it is at equal distance from previous prime (1650890317) and next prime (1650890333).

It is not a de Polignac number, because 1650890325 - 2³ = 1650890317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72411 + ... + 92439.

Almost surely, 2^1650890325 is an apocalyptic number.

1650890325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1650890325 is a deficient number, since it is larger than the sum of its proper divisors (1488531755).

1650890325 is a wasteful number, since it uses less digits than its factorization.

1650890325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20206 (or 20201 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1650890325 is about 40631.1496883856. The cubic root of 1650890325 is about 1181.8782509498.

The spelling of 1650890325 in words is "one billion, six hundred fifty million, eight hundred ninety thousand, three hundred twenty-five".