981622325 has 24 divisors (see below), whose sum is σ = 1235733408. Its totient is φ = 773410880.

The previous prime is 981622303. The next prime is 981622379. The reversal of 981622325 is 523226189.

981622325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 981622325 - 2⁶ = 981622261 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 968519 + ... + 969531.

It is an arithmetic number, because the mean of its divisors is an integer number (51488892).

Almost surely, 2^981622325 is an apocalyptic number.

It is an amenable number.

981622325 is a deficient number, since it is larger than the sum of its proper divisors (254111083).

981622325 is a wasteful number, since it uses less digits than its factorization.

981622325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573 (or 1568 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 981622325 is about 31330.8526056984. The cubic root of 981622325 is about 993.8361938870.

The spelling of 981622325 in words is "nine hundred eighty-one million, six hundred twenty-two thousand, three hundred twenty-five".