632813 has 2 divisors, whose sum is σ = 632814. Its totient is φ = 632812.

The previous prime is 632777. The next prime is 632839. The reversal of 632813 is 318236.

632813 = 562² + 563².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316969 + 315844 = 563^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 632813 - 2⁸ = 632557 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316406 + 316407.

It is an arithmetic number, because the mean of its divisors is an integer number (316407).

2⁶³²⁸¹³ is an apocalyptic number.

632813 is the 563-rd centered square number.

It is an amenable number.

632813 is a deficient number, since it is larger than the sum of its proper divisors (1).

632813 is an equidigital number, since it uses as much as digits as its factorization.

632813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 632813 is about 795.4954431045. The cubic root of 632813 is about 85.8535908031.

It can be divided in two parts, 6 and 32813, that multiplied together give a triangular number (196878 = T₆₂₇).

The spelling of 632813 in words is "six hundred thirty-two thousand, eight hundred thirteen".