5425921 has 4 divisors (see below), whose sum is σ = 5474052. Its totient is φ = 5377792.

The previous prime is 5425909. The next prime is 5425943. The reversal of 5425921 is 1295245.

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 408321 + 5017600 = 639^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 5425921 - 2¹⁵ = 5393153 is a prime.

It is a super-3 number, since 3×5425921³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5425921.

It is not an unprimeable number, because it can be changed into a prime (5425951) 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, 23896 + ... + 24121.

It is an arithmetic number, because the mean of its divisors is an integer number (1368513).

Almost surely, 2^5425921 is an apocalyptic number.

It is an amenable number.

5425921 is a deficient number, since it is larger than the sum of its proper divisors (48131).

5425921 is a wasteful number, since it uses less digits than its factorization.

5425921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48130.

The product of its digits is 3600, while the sum is 28.

The square root of 5425921 is about 2329.3606418930. The cubic root of 5425921 is about 175.7213328556.

The spelling of 5425921 in words is "five million, four hundred twenty-five thousand, nine hundred twenty-one".