624632117 has 2 divisors, whose sum is σ = 624632118. Its totient is φ = 624632116.

The previous prime is 624632077. The next prime is 624632149. The reversal of 624632117 is 711236426.

It is an a-pointer prime, because the next prime (624632149) can be obtained adding 624632117 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496353841 + 128278276 = 22279^2 + 11326^2 .

It is a cyclic number.

It is not a de Polignac number, because 624632117 - 2⁶ = 624632053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624632167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312316058 + 312316059.

It is an arithmetic number, because the mean of its divisors is an integer number (312316059).

Almost surely, 2^624632117 is an apocalyptic number.

It is an amenable number.

624632117 is a deficient number, since it is larger than the sum of its proper divisors (1).

624632117 is an equidigital number, since it uses as much as digits as its factorization.

624632117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 624632117 is about 24992.6412569780. The cubic root of 624632117 is about 854.8201881255.

The spelling of 624632117 in words is "six hundred twenty-four million, six hundred thirty-two thousand, one hundred seventeen".