531694274 has 16 divisors (see below), whose sum is σ = 801689400. Its totient is φ = 264468864.

The previous prime is 531694249. The next prime is 531694279. The reversal of 531694274 is 472496135.

It can be written as a sum of positive squares in 4 ways, for example, as 526381249 + 5313025 = 22943^2 + 2305^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (531694279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415724 + ... + 417000.

Almost surely, 2^531694274 is an apocalyptic number.

531694274 is a deficient number, since it is larger than the sum of its proper divisors (269995126).

531694274 is a wasteful number, since it uses less digits than its factorization.

531694274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197.

The product of its digits is 181440, while the sum is 41.

The square root of 531694274 is about 23058.4967853501. The cubic root of 531694274 is about 810.1286560868.

The spelling of 531694274 in words is "five hundred thirty-one million, six hundred ninety-four thousand, two hundred seventy-four".