5425405 has 8 divisors (see below), whose sum is σ = 6539832. Its totient is φ = 4320768.

The previous prime is 5425391. The next prime is 5425411. The reversal of 5425405 is 5045245.

It can be written as a sum of positive squares in 4 ways, for example, as 15129 + 5410276 = 123^2 + 2326^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5425405 - 2⁵ = 5425373 is a prime.

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 5425405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164 + ... + 3493.

It is an arithmetic number, because the mean of its divisors is an integer number (817479).

Almost surely, 2^5425405 is an apocalyptic number.

5425405 is the 1165-th decagonal number.

It is an amenable number.

5425405 is a deficient number, since it is larger than the sum of its proper divisors (1114427).

5425405 is a wasteful number, since it uses less digits than its factorization.

5425405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 5425405 is about 2329.2498792530. The cubic root of 5425405 is about 175.7157623676.

The spelling of 5425405 in words is "five million, four hundred twenty-five thousand, four hundred five".