531070043 has 4 divisors (see below), whose sum is σ = 606937200. Its totient is φ = 455202888.

The previous prime is 531070013. The next prime is 531070051. The reversal of 531070043 is 340070135.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 531070043 - 2¹² = 531065947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531070013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37933568 + ... + 37933581.

It is an arithmetic number, because the mean of its divisors is an integer number (151734300).

Almost surely, 2^531070043 is an apocalyptic number.

531070043 is a deficient number, since it is larger than the sum of its proper divisors (75867157).

531070043 is an equidigital number, since it uses as much as digits as its factorization.

531070043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75867156.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 531070043 is about 23044.9569971393. The cubic root of 531070043 is about 809.8114904509.

The spelling of 531070043 in words is "five hundred thirty-one million, seventy thousand, forty-three".