531430005 has 16 divisors (see below), whose sum is σ = 850659840. Its totient is φ = 283305408.

The previous prime is 531429989. The next prime is 531430021. The reversal of 531430005 is 500034135.

It is an interprime number because it is at equal distance from previous prime (531429989) and next prime (531430021).

It is not a de Polignac number, because 531430005 - 2⁴ = 531429989 is a prime.

It is a Curzon number.

It is a congruent number.

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, 35484 + ... + 48186.

It is an arithmetic number, because the mean of its divisors is an integer number (53166240).

Almost surely, 2^531430005 is an apocalyptic number.

It is an amenable number.

531430005 is a deficient number, since it is larger than the sum of its proper divisors (319229835).

531430005 is a wasteful number, since it uses less digits than its factorization.

531430005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15500.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 531430005 is about 23052.7656692207. The cubic root of 531430005 is about 809.9944139228.

The spelling of 531430005 in words is "five hundred thirty-one million, four hundred thirty thousand, five".