262828129 has 4 divisors (see below), whose sum is σ = 263176084. Its totient is φ = 262480176.

The previous prime is 262828127. The next prime is 262828133. The reversal of 262828129 is 921828262.

It is a happy number.

262828129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152473104 + 110355025 = 12348^2 + 10505^2 .

It is a cyclic number.

It is not a de Polignac number, because 262828129 - 2¹ = 262828127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 262828091 and 262828100.

It is not an unprimeable number, because it can be changed into a prime (262828127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172842 + ... + 174355.

It is an arithmetic number, because the mean of its divisors is an integer number (65794021).

Almost surely, 2^262828129 is an apocalyptic number.

It is an amenable number.

262828129 is a deficient number, since it is larger than the sum of its proper divisors (347955).

262828129 is an equidigital number, since it uses as much as digits as its factorization.

262828129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347954.

The product of its digits is 55296, while the sum is 40.

The square root of 262828129 is about 16211.9748642786. The cubic root of 262828129 is about 640.5562619851.

The spelling of 262828129 in words is "two hundred sixty-two million, eight hundred twenty-eight thousand, one hundred twenty-nine".