5298121 has 4 divisors (see below), whose sum is σ = 5370772. Its totient is φ = 5225472.

The previous prime is 5298107. The next prime is 5298127. The reversal of 5298121 is 1218925.

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 1550025 + 3748096 = 1245^2 + 1936^2 .

It is a cyclic number.

It is not a de Polignac number, because 5298121 - 2⁵ = 5298089 is a prime.

It is a super-2 number, since 2×5298121² = 56140172261282, which contains 22 as substring.

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

It is a Duffinian number.

5298121 is a lucky number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 5298121.

It is not an unprimeable number, because it can be changed into a prime (5298127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36216 + ... + 36361.

It is an arithmetic number, because the mean of its divisors is an integer number (1342693).

Almost surely, 2^5298121 is an apocalyptic number.

It is an amenable number.

5298121 is a deficient number, since it is larger than the sum of its proper divisors (72651).

5298121 is an equidigital number, since it uses as much as digits as its factorization.

5298121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72650.

The product of its digits is 1440, while the sum is 28.

The square root of 5298121 is about 2301.7647577457. The cubic root of 5298121 is about 174.3307335296.

The spelling of 5298121 in words is "five million, two hundred ninety-eight thousand, one hundred twenty-one".