253266387 has 16 divisors (see below), whose sum is σ = 369325440. Its totient is φ = 153104000.

The previous prime is 253266353. The next prime is 253266437. The reversal of 253266387 is 783662352.

It is a happy number.

253266387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 253266387 - 2²³ = 244877779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253264387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3664 + ... + 22802.

It is an arithmetic number, because the mean of its divisors is an integer number (23082840).

Almost surely, 2^253266387 is an apocalyptic number.

253266387 is a deficient number, since it is larger than the sum of its proper divisors (116059053).

253266387 is a wasteful number, since it uses less digits than its factorization.

253266387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19554.

The product of its digits is 362880, while the sum is 42.

The square root of 253266387 is about 15914.3453211246. The cubic root of 253266387 is about 632.6922552411.

It can be divided in two parts, 25326 and 6387, that added together give a palindrome (31713).

The spelling of 253266387 in words is "two hundred fifty-three million, two hundred sixty-six thousand, three hundred eighty-seven".