10398545 has 4 divisors (see below), whose sum is σ = 12478260. Its totient is φ = 8318832.

The previous prime is 10398527. The next prime is 10398587. The reversal of 10398545 is 54589301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54589301 = 13 ⋅4199177.

It can be written as a sum of positive squares in 2 ways, for example, as 4068289 + 6330256 = 2017^2 + 2516^2 .

It is a cyclic number.

It is not a de Polignac number, because 10398545 - 2¹⁴ = 10382161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039850 + ... + 1039859.

It is an arithmetic number, because the mean of its divisors is an integer number (3119565).

Almost surely, 2^10398545 is an apocalyptic number.

It is an amenable number.

10398545 is a deficient number, since it is larger than the sum of its proper divisors (2079715).

10398545 is an equidigital number, since it uses as much as digits as its factorization.

10398545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079714.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 10398545 is about 3224.6775032552. The cubic root of 10398545 is about 218.2683968000.

The spelling of 10398545 in words is "ten million, three hundred ninety-eight thousand, five hundred forty-five".