266003325 has 96 divisors (see below), whose sum is σ = 588057600. Its totient is φ = 115162560.

The previous prime is 266003279. The next prime is 266003351. The reversal of 266003325 is 523300662.

266003325 is a `hidden beast` number, since 2 + 6 + 600 + 33 + 25 = 666.

It is not a de Polignac number, because 266003325 - 2⁸ = 266003069 is a prime.

It is a super-2 number, since 2×266003325² = 141515537822111250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 88294 + ... + 91256.

It is an arithmetic number, because the mean of its divisors is an integer number (6125600).

Almost surely, 2^266003325 is an apocalyptic number.

266003325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266003325 is an abundant number, since it is smaller than the sum of its proper divisors (322054275).

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

266003325 is a wasteful number, since it uses less digits than its factorization.

266003325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008 (or 2997 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 266003325 is about 16309.6083643967. The cubic root of 266003325 is about 643.1254388050.

Adding to 266003325 its reverse (523300662), we get a palindrome (789303987).

The spelling of 266003325 in words is "two hundred sixty-six million, three thousand, three hundred twenty-five".