9975401 has 4 divisors (see below), whose sum is σ = 10042500. Its totient is φ = 9908304.

The previous prime is 9975389. The next prime is 9975403. The reversal of 9975401 is 1045799.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5569600 + 4405801 = 2360^2 + 2099^2 .

It is a cyclic number.

It is not a de Polignac number, because 9975401 - 2⁶ = 9975337 is a prime.

It is a super-2 number, since 2×9975401² = 199017250221602, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9975403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33326 + ... + 33623.

It is an arithmetic number, because the mean of its divisors is an integer number (2510625).

Almost surely, 2^9975401 is an apocalyptic number.

It is an amenable number.

9975401 is a deficient number, since it is larger than the sum of its proper divisors (67099).

9975401 is a wasteful number, since it uses less digits than its factorization.

9975401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67098.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 9975401 is about 3158.3858219033. The cubic root of 9975401 is about 215.2666674894.

The spelling of 9975401 in words is "nine million, nine hundred seventy-five thousand, four hundred one".