531700641 has 12 divisors (see below), whose sum is σ = 771311268. Its totient is φ = 352944384.

The previous prime is 531700607. The next prime is 531700651. The reversal of 531700641 is 146007135.

531700641 is a `hidden beast` number, since 5 + 3 + 17 + 0 + 0 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 253478241 + 278222400 = 15921^2 + 16680^2 .

It is not a de Polignac number, because 531700641 - 2⁶ = 531700577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531700651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124680 + ... + 128873.

It is an arithmetic number, because the mean of its divisors is an integer number (64275939).

Almost surely, 2^531700641 is an apocalyptic number.

It is an amenable number.

531700641 is a deficient number, since it is larger than the sum of its proper divisors (239610627).

531700641 is a wasteful number, since it uses less digits than its factorization.

531700641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253792 (or 253789 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 531700641 is about 23058.6348468421. The cubic root of 531700641 is about 810.1318898176.

Adding to 531700641 its reverse (146007135), we get a palindrome (677707776).

The spelling of 531700641 in words is "five hundred thirty-one million, seven hundred thousand, six hundred forty-one".