5025421 has 6 divisors (see below), whose sum is σ = 5338730. Its totient is φ = 4729536.

The previous prime is 5025409. The next prime is 5025437. The reversal of 5025421 is 1245205.

It can be written as a sum of positive squares in 3 ways, for example, as 2368521 + 2656900 = 1539^2 + 1630^2 .

It is not a de Polignac number, because 5025421 - 2⁵ = 5025389 is a prime.

It is a Duffinian number.

5025421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5025221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8406 + ... + 8983.

Almost surely, 2^5025421 is an apocalyptic number.

It is an amenable number.

5025421 is a deficient number, since it is larger than the sum of its proper divisors (313309).

5025421 is a wasteful number, since it uses less digits than its factorization.

5025421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17423 (or 17406 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5025421 is about 2241.7450791738. The cubic root of 5025421 is about 171.2869002480.

The spelling of 5025421 in words is "five million, twenty-five thousand, four hundred twenty-one".