5425421 has 8 divisors (see below), whose sum is σ = 5601504. Its totient is φ = 5250960.

The previous prime is 5425411. The next prime is 5425457. The reversal of 5425421 is 1245245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5425421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5425411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12026 + ... + 12468.

It is an arithmetic number, because the mean of its divisors is an integer number (700188).

Almost surely, 2^5425421 is an apocalyptic number.

It is an amenable number.

5425421 is a deficient number, since it is larger than the sum of its proper divisors (176083).

5425421 is a wasteful number, since it uses less digits than its factorization.

5425421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its digits is 1600, while the sum is 23.

The square root of 5425421 is about 2329.2533138326. The cubic root of 5425421 is about 175.7159351012.

The spelling of 5425421 in words is "five million, four hundred twenty-five thousand, four hundred twenty-one".