262788253 has 32 divisors (see below), whose sum is σ = 332398080. Its totient is φ = 202245120.

The previous prime is 262788241. The next prime is 262788277. The reversal of 262788253 is 352887262.

It is not a de Polignac number, because 262788253 - 2⁹ = 262787741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262788203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574801 + ... + 575257.

It is an arithmetic number, because the mean of its divisors is an integer number (10387440).

Almost surely, 2^262788253 is an apocalyptic number.

It is an amenable number.

262788253 is a deficient number, since it is larger than the sum of its proper divisors (69609827).

262788253 is a wasteful number, since it uses less digits than its factorization.

262788253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

The product of its digits is 322560, while the sum is 43.

The square root of 262788253 is about 16210.7449859653. The cubic root of 262788253 is about 640.5238655118.

Subtracting 262788253 from its reverse (352887262), we obtain a palindrome (90099009).

The spelling of 262788253 in words is "two hundred sixty-two million, seven hundred eighty-eight thousand, two hundred fifty-three".