828631013 has 6 divisors (see below), whose sum is σ = 963917766. Its totient is φ = 710255112.

The previous prime is 828630997. The next prime is 828631019. The reversal of 828631013 is 310136828.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 756415009 + 72216004 = 27503^2 + 8498^2 .

It is not a de Polignac number, because 828631013 - 2⁴ = 828630997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828631019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8455370 + ... + 8455467.

It is an arithmetic number, because the mean of its divisors is an integer number (160652961).

Almost surely, 2^828631013 is an apocalyptic number.

It is an amenable number.

828631013 is a deficient number, since it is larger than the sum of its proper divisors (135286753).

828631013 is a wasteful number, since it uses less digits than its factorization.

828631013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16910851 (or 16910844 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 828631013 is about 28785.9516604888. The cubic root of 828631013 is about 939.2626679809.

The spelling of 828631013 in words is "eight hundred twenty-eight million, six hundred thirty-one thousand, thirteen".