531980623 has 4 divisors (see below), whose sum is σ = 532439208. Its totient is φ = 531522040.

The previous prime is 531980621. The next prime is 531980627. The reversal of 531980623 is 326089135.

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

It is a cyclic number.

It is not a de Polignac number, because 531980623 - 2¹ = 531980621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531980621) 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, 227548 + ... + 229873.

It is an arithmetic number, because the mean of its divisors is an integer number (133109802).

Almost surely, 2^531980623 is an apocalyptic number.

531980623 is a deficient number, since it is larger than the sum of its proper divisors (458585).

531980623 is a wasteful number, since it uses less digits than its factorization.

531980623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458584.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 531980623 is about 23064.7051357697. The cubic root of 531980623 is about 810.2740641464.

The spelling of 531980623 in words is "five hundred thirty-one million, nine hundred eighty thousand, six hundred twenty-three".