980752521 has 16 divisors (see below), whose sum is σ = 1509280128. Its totient is φ = 554880000.

The previous prime is 980752517. The next prime is 980752541. The reversal of 980752521 is 125257089.

It is not a de Polignac number, because 980752521 - 2² = 980752517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 980752521.

It is not an unprimeable number, because it can be changed into a prime (980752541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229080 + ... + 233321.

It is an arithmetic number, because the mean of its divisors is an integer number (94330008).

Almost surely, 2^980752521 is an apocalyptic number.

It is an amenable number.

980752521 is a deficient number, since it is larger than the sum of its proper divisors (528527607).

980752521 is a wasteful number, since it uses less digits than its factorization.

980752521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462512.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 980752521 is about 31316.9685793501. The cubic root of 980752521 is about 993.5425649543.

The spelling of 980752521 in words is "nine hundred eighty million, seven hundred fifty-two thousand, five hundred twenty-one".