531527998 has 16 divisors (see below), whose sum is σ = 810482400. Its totient is φ = 261402336.

The previous prime is 531527993. The next prime is 531528013. The reversal of 531527998 is 899725135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531527993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22036 + ... + 39352.

It is an arithmetic number, because the mean of its divisors is an integer number (50655150).

Almost surely, 2^531527998 is an apocalyptic number.

531527998 is a deficient number, since it is larger than the sum of its proper divisors (278954402).

531527998 is a wasteful number, since it uses less digits than its factorization.

531527998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17571.

The product of its digits is 680400, while the sum is 49.

The square root of 531527998 is about 23054.8909778381. The cubic root of 531527998 is about 810.0441971514.

It can be divided in two parts, 531 and 527998, that added together give a square (528529 = 727²).

The spelling of 531527998 in words is "five hundred thirty-one million, five hundred twenty-seven thousand, nine hundred ninety-eight".