981894325 has 12 divisors (see below), whose sum is σ = 1259534340. Its totient is φ = 758428160.

The previous prime is 981894301. The next prime is 981894349. The reversal of 981894325 is 523498189.

It is an interprime number because it is at equal distance from previous prime (981894301) and next prime (981894349).

It can be written as a sum of positive squares in 6 ways, for example, as 14311089 + 967583236 = 3783^2 + 31106^2 .

It is not a de Polignac number, because 981894325 - 2¹⁵ = 981861557 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 676444 + ... + 677893.

It is an arithmetic number, because the mean of its divisors is an integer number (104961195).

Almost surely, 2^981894325 is an apocalyptic number.

It is an amenable number.

981894325 is a deficient number, since it is larger than the sum of its proper divisors (277640015).

981894325 is a wasteful number, since it uses less digits than its factorization.

981894325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354376 (or 1354371 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 981894325 is about 31335.1930742416. The cubic root of 981894325 is about 993.9279801995.

The spelling of 981894325 in words is "nine hundred eighty-one million, eight hundred ninety-four thousand, three hundred twenty-five".