981715052 has 12 divisors (see below), whose sum is σ = 1718274096. Its totient is φ = 490779600.

The previous prime is 981715019. The next prime is 981715057. The reversal of 981715052 is 250517189.

It is a junction number, because it is equal to n+sod(n) for n = 981714997 and 981715015.

It is not an unprimeable number, because it can be changed into a prime (981715057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16073 + ... + 47135.

It is an arithmetic number, because the mean of its divisors is an integer number (143189508).

Almost surely, 2^981715052 is an apocalyptic number.

It is an amenable number.

981715052 is a deficient number, since it is larger than the sum of its proper divisors (736559044).

981715052 is a wasteful number, since it uses less digits than its factorization.

981715052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38968 (or 38966 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 981715052 is about 31332.3323740828. The cubic root of 981715052 is about 993.8674864880.

The spelling of 981715052 in words is "nine hundred eighty-one million, seven hundred fifteen thousand, fifty-two".