531949641 has 4 divisors (see below), whose sum is σ = 709266192. Its totient is φ = 354633092.

The previous prime is 531949597. The next prime is 531949667. The reversal of 531949641 is 146949135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 531949641 - 2⁷ = 531949513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531949593 and 531949602.

It is not an unprimeable number, because it can be changed into a prime (531949541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88658271 + ... + 88658276.

It is an arithmetic number, because the mean of its divisors is an integer number (177316548).

Almost surely, 2^531949641 is an apocalyptic number.

It is an amenable number.

531949641 is a deficient number, since it is larger than the sum of its proper divisors (177316551).

531949641 is a wasteful number, since it uses less digits than its factorization.

531949641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177316550.

The product of its digits is 116640, while the sum is 42.

The square root of 531949641 is about 23064.0334937322. The cubic root of 531949641 is about 810.2583340005.

It can be divided in two parts, 53194 and 9641, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 531949641 in words is "five hundred thirty-one million, nine hundred forty-nine thousand, six hundred forty-one".