531612626 has 4 divisors (see below), whose sum is σ = 797418942. Its totient is φ = 265806312.

The previous prime is 531612619. The next prime is 531612643. The reversal of 531612626 is 626216135.

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

It can be written as a sum of positive squares in only one way, i.e., 357399025 + 174213601 = 18905^2 + 13199^2 .

It is a super-2 number, since 2×531612626² = 565223968245231752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531612592 and 531612601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132903155 + ... + 132903158.

Almost surely, 2^531612626 is an apocalyptic number.

531612626 is a deficient number, since it is larger than the sum of its proper divisors (265806316).

531612626 is a wasteful number, since it uses less digits than its factorization.

531612626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265806315.

The product of its digits is 12960, while the sum is 32.

The square root of 531612626 is about 23056.7262637175. The cubic root of 531612626 is about 810.0871856567.

The spelling of 531612626 in words is "five hundred thirty-one million, six hundred twelve thousand, six hundred twenty-six".