9980527 has 4 divisors (see below), whose sum is σ = 9996976. Its totient is φ = 9964080.

The previous prime is 9980519. The next prime is 9980539. The reversal of 9980527 is 7250899.

9980527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7250899 = 29 ⋅250031.

It is a cyclic number.

It is not a de Polignac number, because 9980527 - 2³ = 9980519 is a prime.

It is a super-2 number, since 2×9980527² = 199221838395458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9980527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980227) 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, 7278 + ... + 8539.

It is an arithmetic number, because the mean of its divisors is an integer number (2499244).

Almost surely, 2^9980527 is an apocalyptic number.

9980527 is a deficient number, since it is larger than the sum of its proper divisors (16449).

9980527 is a wasteful number, since it uses less digits than its factorization.

9980527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16448.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 9980527 is about 3159.1972081527. The cubic root of 9980527 is about 215.3035337762.

The spelling of 9980527 in words is "nine million, nine hundred eighty thousand, five hundred twenty-seven".