266252413 has 4 divisors (see below), whose sum is σ = 304288480. Its totient is φ = 228216348.

The previous prime is 266252381. The next prime is 266252423. The reversal of 266252413 is 314252662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 266252413 - 2⁵ = 266252381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266252423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19018023 + ... + 19018036.

It is an arithmetic number, because the mean of its divisors is an integer number (76072120).

Almost surely, 2^266252413 is an apocalyptic number.

It is an amenable number.

266252413 is a deficient number, since it is larger than the sum of its proper divisors (38036067).

266252413 is an equidigital number, since it uses as much as digits as its factorization.

266252413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38036066.

The product of its digits is 17280, while the sum is 31.

The square root of 266252413 is about 16317.2428124362. The cubic root of 266252413 is about 643.3261190692.

The spelling of 266252413 in words is "two hundred sixty-six million, two hundred fifty-two thousand, four hundred thirteen".