624480361 has 2 divisors, whose sum is σ = 624480362. Its totient is φ = 624480360.

The previous prime is 624480331. The next prime is 624480377. The reversal of 624480361 is 163084426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602997136 + 21483225 = 24556^2 + 4635^2 .

It is a cyclic number.

It is not a de Polignac number, because 624480361 - 2¹⁷ = 624349289 is a prime.

It is not a weakly prime, because it can be changed into another prime (624480331) 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, 312240180 + 312240181.

It is an arithmetic number, because the mean of its divisors is an integer number (312240181).

Almost surely, 2^624480361 is an apocalyptic number.

It is an amenable number.

624480361 is a deficient number, since it is larger than the sum of its proper divisors (1).

624480361 is an equidigital number, since it uses as much as digits as its factorization.

624480361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 624480361 is about 24989.6050589040. The cubic root of 624480361 is about 854.7509555880.

The spelling of 624480361 in words is "six hundred twenty-four million, four hundred eighty thousand, three hundred sixty-one".