9771025 has 12 divisors (see below), whose sum is σ = 13217904. Its totient is φ = 7106000.

The previous prime is 9771023. The next prime is 9771029. The reversal of 9771025 is 5201779.

9771025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9771025 - 2¹ = 9771023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9771023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17491 + ... + 18040.

It is an arithmetic number, because the mean of its divisors is an integer number (1101492).

Almost surely, 2^9771025 is an apocalyptic number.

It is an amenable number.

9771025 is a deficient number, since it is larger than the sum of its proper divisors (3446879).

9771025 is a wasteful number, since it uses less digits than its factorization.

9771025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35552 (or 35547 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 9771025 is about 3125.8638805937. The cubic root of 9771025 is about 213.7863839208.

It can be divided in two parts, 977 and 1025, that added together give a palindrome (2002).

The spelling of 9771025 in words is "nine million, seven hundred seventy-one thousand, twenty-five".