266825431 has 8 divisors (see below), whose sum is σ = 270138960. Its totient is φ = 263528832.

The previous prime is 266825413. The next prime is 266825459. The reversal of 266825431 is 134528662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266825431 - 2⁵ = 266825399 is a prime.

It is a super-2 number, since 2×266825431² = 142391621256671522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266825131) 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, 29080 + ... + 37138.

It is an arithmetic number, because the mean of its divisors is an integer number (33767370).

Almost surely, 2^266825431 is an apocalyptic number.

266825431 is a deficient number, since it is larger than the sum of its proper divisors (3313529).

266825431 is a wasteful number, since it uses less digits than its factorization.

266825431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465.

The product of its digits is 69120, while the sum is 37.

The square root of 266825431 is about 16334.7920403046. The cubic root of 266825431 is about 643.7873021273.

The spelling of 266825431 in words is "two hundred sixty-six million, eight hundred twenty-five thousand, four hundred thirty-one".