981471574025 has 12 divisors (see below), whose sum is σ = 1217919007644. Its totient is φ = 784600320000.

The previous prime is 981471573947. The next prime is 981471574033. The reversal of 981471574025 is 520475174189.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 116223719056 + 865247854969 = 340916^2 + 930187^2 .

It is not a de Polignac number, because 981471574025 - 2¹⁴ = 981471557641 is a prime.

It is a super-2 number, since 2×981471574025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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, 14388776 + ... + 14456825.

It is an arithmetic number, because the mean of its divisors is an integer number (101493250637).

Almost surely, 2^981471574025 is an apocalyptic number.

It is an amenable number.

981471574025 is a deficient number, since it is larger than the sum of its proper divisors (236447433619).

981471574025 is a wasteful number, since it uses less digits than its factorization.

981471574025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28846972 (or 28846967 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 981471574025 in words is "nine hundred eighty-one billion, four hundred seventy-one million, five hundred seventy-four thousand, twenty-five".