5245121 has 16 divisors (see below), whose sum is σ = 6384000. Its totient is φ = 4209408.

The previous prime is 5245111. The next prime is 5245133. The reversal of 5245121 is 1215425.

It is not a de Polignac number, because 5245121 - 2¹⁸ = 4982977 is a prime.

It is a super-2 number, since 2×5245121² = 55022588609282, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5245093 and 5245102.

It is not an unprimeable number, because it can be changed into a prime (5245111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14855 + ... + 15203.

It is an arithmetic number, because the mean of its divisors is an integer number (399000).

Almost surely, 2^5245121 is an apocalyptic number.

It is an amenable number.

5245121 is a deficient number, since it is larger than the sum of its proper divisors (1138879).

5245121 is a wasteful number, since it uses less digits than its factorization.

5245121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its digits is 400, while the sum is 20.

The square root of 5245121 is about 2290.2229149146. Note that the first 3 decimals coincide. The cubic root of 5245121 is about 173.7474757669.

The spelling of 5245121 in words is "five million, two hundred forty-five thousand, one hundred twenty-one".