266336425 has 12 divisors (see below), whose sum is σ = 330820096. Its totient is φ = 212706000.

The previous prime is 266336423. The next prime is 266336429. The reversal of 266336425 is 524633662.

It is not a de Polignac number, because 266336425 - 2¹ = 266336423 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266336423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6400 + ... + 23950.

Almost surely, 2^266336425 is an apocalyptic number.

266336425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266336425 is a deficient number, since it is larger than the sum of its proper divisors (64483671).

266336425 is a wasteful number, since it uses less digits than its factorization.

266336425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18168 (or 18163 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 266336425 is about 16319.8169413753. The cubic root of 266336425 is about 643.3937759588.

The spelling of 266336425 in words is "two hundred sixty-six million, three hundred thirty-six thousand, four hundred twenty-five".