9972559 has 2 divisors, whose sum is σ = 9972560. Its totient is φ = 9972558.

The previous prime is 9972551. The next prime is 9972569. The reversal of 9972559 is 9552799.

9972559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9972559 - 2³ = 9972551 is a prime.

It is a Chen prime.

9972559 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9972551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986279 + 4986280.

It is an arithmetic number, because the mean of its divisors is an integer number (4986280).

Almost surely, 2^9972559 is an apocalyptic number.

9972559 is a deficient number, since it is larger than the sum of its proper divisors (1).

9972559 is an equidigital number, since it uses as much as digits as its factorization.

9972559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 255150, while the sum is 46.

The square root of 9972559 is about 3157.9358764864. The cubic root of 9972559 is about 215.2462223304.

The spelling of 9972559 in words is "nine million, nine hundred seventy-two thousand, five hundred fifty-nine".