531226252 has 6 divisors (see below), whose sum is σ = 929645948. Its totient is φ = 265613124.

The previous prime is 531226249. The next prime is 531226271. The reversal of 531226252 is 252622135.

It is a self number, because there is not a number n which added to its sum of digits gives 531226252.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66403278 + ... + 66403285.

Almost surely, 2^531226252 is an apocalyptic number.

It is an amenable number.

531226252 is a deficient number, since it is larger than the sum of its proper divisors (398419696).

531226252 is a wasteful number, since it uses less digits than its factorization.

531226252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132806567 (or 132806565 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 531226252 is about 23048.3459710236. The cubic root of 531226252 is about 809.8908820139.

Adding to 531226252 its reverse (252622135), we get a palindrome (783848387).

The spelling of 531226252 in words is "five hundred thirty-one million, two hundred twenty-six thousand, two hundred fifty-two".