531634011 has 16 divisors (see below), whose sum is σ = 717242400. Its totient is φ = 350235648.

The previous prime is 531633997. The next prime is 531634027. The reversal of 531634011 is 110436135.

It is not a de Polignac number, because 531634011 - 2¹⁵ = 531601243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531634031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310225 + ... + 311933.

It is an arithmetic number, because the mean of its divisors is an integer number (44827650).

Almost surely, 2^531634011 is an apocalyptic number.

531634011 is a deficient number, since it is larger than the sum of its proper divisors (185608389).

531634011 is a wasteful number, since it uses less digits than its factorization.

531634011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 531634011 is about 23057.1900065901. The cubic root of 531634011 is about 810.0980478781.

The spelling of 531634011 in words is "five hundred thirty-one million, six hundred thirty-four thousand, eleven".