5298561 has 32 divisors (see below), whose sum is σ = 8323200. Its totient is φ = 3326400.

The previous prime is 5298547. The next prime is 5298563. The reversal of 5298561 is 1658925.

It is a happy number.

5298561 is a `hidden beast` number, since 5 + 2 + 98 + 561 = 666.

It is not a de Polignac number, because 5298561 - 2⁶ = 5298497 is a prime.

It is an alternating number because its digits alternate between odd and even.

Its product of digits (21600) is a multiple of the sum of its prime divisors (200).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5298563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52411 + ... + 52511.

It is an arithmetic number, because the mean of its divisors is an integer number (260100).

Almost surely, 2^5298561 is an apocalyptic number.

It is an amenable number.

5298561 is a deficient number, since it is larger than the sum of its proper divisors (3024639).

5298561 is a wasteful number, since it uses less digits than its factorization.

5298561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 200 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 5298561 is about 2301.8603345990. The cubic root of 5298561 is about 174.3355593537.

The spelling of 5298561 in words is "five million, two hundred ninety-eight thousand, five hundred sixty-one".