5430905 has 16 divisors (see below), whose sum is σ = 6958224. Its totient is φ = 4055040.

The previous prime is 5430899. The next prime is 5430907. The reversal of 5430905 is 5090345.

It can be written as a sum of positive squares in 8 ways, for example, as 506944 + 4923961 = 712^2 + 2219^2 .

It is not a de Polignac number, because 5430905 - 2⁴ = 5430889 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5430907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15209 + ... + 15561.

It is an arithmetic number, because the mean of its divisors is an integer number (434889).

Almost surely, 2^5430905 is an apocalyptic number.

It is an amenable number.

5430905 is a deficient number, since it is larger than the sum of its proper divisors (1527319).

5430905 is a wasteful number, since it uses less digits than its factorization.

5430905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 5430905 is about 2330.4302177924. The cubic root of 5430905 is about 175.7751195525.

The spelling of 5430905 in words is "five million, four hundred thirty thousand, nine hundred five".