531025266 has 16 divisors (see below), whose sum is σ = 1063636704. Its totient is φ = 176744064.

The previous prime is 531025249. The next prime is 531025273. The reversal of 531025266 is 662520135.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61716 + ... + 69791.

It is an arithmetic number, because the mean of its divisors is an integer number (66477294).

Almost surely, 2^531025266 is an apocalyptic number.

531025266 is an abundant number, since it is smaller than the sum of its proper divisors (532611438).

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

531025266 is a wasteful number, since it uses less digits than its factorization.

531025266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132185.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 531025266 is about 23043.9854625887. The cubic root of 531025266 is about 809.7887301461.

The spelling of 531025266 in words is "five hundred thirty-one million, twenty-five thousand, two hundred sixty-six".