5405625 has 45 divisors (see below), whose sum is σ = 10081929. Its totient is φ = 2790000.

The previous prime is 5405599. The next prime is 5405641. The reversal of 5405625 is 5265045.

The square root of 5405625 is 2325.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 423801 + 4981824 = 651^2 + 2232^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 5405625 - 2¹¹ = 5403577 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 174360 + ... + 174390.

Almost surely, 2^5405625 is an apocalyptic number.

5405625 is the 2325-th square number.

5405625 is the 1163-rd centered octagonal number.

It is an amenable number.

5405625 is a deficient number, since it is larger than the sum of its proper divisors (4676304).

5405625 is an equidigital number, since it uses as much as digits as its factorization.

5405625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The cubic root of 5405625 is about 175.5019601895.

The spelling of 5405625 in words is "five million, four hundred five thousand, six hundred twenty-five".