9972577 has 2 divisors, whose sum is σ = 9972578. Its totient is φ = 9972576.

The previous prime is 9972569. The next prime is 9972581. The reversal of 9972577 is 7752799.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6471936 + 3500641 = 2544^2 + 1871^2 .

It is a cyclic number.

It is not a de Polignac number, because 9972577 - 2³ = 9972569 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9972527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986288 + 4986289.

It is an arithmetic number, because the mean of its divisors is an integer number (4986289).

Almost surely, 2^9972577 is an apocalyptic number.

It is an amenable number.

9972577 is a deficient number, since it is larger than the sum of its proper divisors (1).

9972577 is an equidigital number, since it uses as much as digits as its factorization.

9972577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 277830, while the sum is 46.

The square root of 9972577 is about 3157.9387264480. The cubic root of 9972577 is about 215.2463518334.

The spelling of 9972577 in words is "nine million, nine hundred seventy-two thousand, five hundred seventy-seven".