632720117 has 2 divisors, whose sum is σ = 632720118. Its totient is φ = 632720116.

The previous prime is 632720089. The next prime is 632720129. The reversal of 632720117 is 711027236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 621704356 + 11015761 = 24934^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 632720117 - 2²⁰ = 631671541 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 632720117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632720167) 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 as a sum of consecutive naturals, namely, 316360058 + 316360059.

It is an arithmetic number, because the mean of its divisors is an integer number (316360059).

Almost surely, 2^632720117 is an apocalyptic number.

It is an amenable number.

632720117 is a deficient number, since it is larger than the sum of its proper divisors (1).

632720117 is an equidigital number, since it uses as much as digits as its factorization.

632720117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 632720117 is about 25153.9284605805. The cubic root of 632720117 is about 858.4939012602.

The spelling of 632720117 in words is "six hundred thirty-two million, seven hundred twenty thousand, one hundred seventeen".