5421625 has 16 divisors (see below), whose sum is σ = 7383168. Its totient is φ = 3942000.

The previous prime is 5421607. The next prime is 5421641. The reversal of 5421625 is 5261245.

It is not a de Polignac number, because 5421625 - 2¹⁹ = 4897337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 5421625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597 + ... + 3346.

It is an arithmetic number, because the mean of its divisors is an integer number (461448).

Almost surely, 2^5421625 is an apocalyptic number.

5421625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5421625 is a deficient number, since it is larger than the sum of its proper divisors (1961543).

5421625 is a wasteful number, since it uses less digits than its factorization.

5421625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969 (or 3959 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 5421625 is about 2328.4383178431. The cubic root of 5421625 is about 175.6749445302.

The spelling of 5421625 in words is "five million, four hundred twenty-one thousand, six hundred twenty-five".