531025000 has 96 divisors (see below), whose sum is σ = 1358350560. Its totient is φ = 193000000.

The previous prime is 531024929. The next prime is 531025031. The reversal of 531025000 is 520135.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274035 + ... + 275965.

It is an arithmetic number, because the mean of its divisors is an integer number (14149485).

Almost surely, 2^531025000 is an apocalyptic number.

531025000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531025000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679175280).

531025000 is an abundant number, since it is smaller than the sum of its proper divisors (827325560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531025000 is a wasteful number, since it uses less digits than its factorization.

531025000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 531025000 is about 23043.9796910169. The cubic root of 531025000 is about 809.7885949335.

Adding to 531025000 its reverse (520135), we get a palindrome (531545135).

The spelling of 531025000 in words is "five hundred thirty-one million, twenty-five thousand".