9997025 has 12 divisors (see below), whose sum is σ = 12824700. Its totient is φ = 7721280.

The previous prime is 9997007. The next prime is 9997033. The reversal of 9997025 is 5207999.

It can be written as a sum of positive squares in 6 ways, for example, as 312481 + 9684544 = 559^2 + 3112^2 .

It is not a de Polignac number, because 9997025 - 2¹⁰ = 9996001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6170 + ... + 7619.

It is an arithmetic number, because the mean of its divisors is an integer number (1068725).

Almost surely, 2^9997025 is an apocalyptic number.

It is an amenable number.

9997025 is a deficient number, since it is larger than the sum of its proper divisors (2827675).

9997025 is a wasteful number, since it uses less digits than its factorization.

9997025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828 (or 13823 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 9997025 is about 3161.8072363761. The cubic root of 9997025 is about 215.4221020735.

The spelling of 9997025 in words is "nine million, nine hundred ninety-seven thousand, twenty-five".