531120705 has 16 divisors (see below), whose sum is σ = 852935424. Its totient is φ = 282216960.

The previous prime is 531120677. The next prime is 531120743. The reversal of 531120705 is 507021135.

It is not a de Polignac number, because 531120705 - 2⁵ = 531120673 is a prime.

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, 61264 + ... + 69393.

It is an arithmetic number, because the mean of its divisors is an integer number (53308464).

Almost surely, 2^531120705 is an apocalyptic number.

It is an amenable number.

531120705 is a deficient number, since it is larger than the sum of its proper divisors (321814719).

531120705 is a wasteful number, since it uses less digits than its factorization.

531120705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130936.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 531120705 is about 23046.0561701997. The cubic root of 531120705 is about 809.8372405792.

The spelling of 531120705 in words is "five hundred thirty-one million, one hundred twenty thousand, seven hundred five".