624532949 has 2 divisors, whose sum is σ = 624532950. Its totient is φ = 624532948.

The previous prime is 624532933. The next prime is 624532957. The reversal of 624532949 is 949235426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604668100 + 19864849 = 24590^2 + 4457^2 .

It is a cyclic number.

It is not a de Polignac number, because 624532949 - 2⁴ = 624532933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624535949) 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, 312266474 + 312266475.

It is an arithmetic number, because the mean of its divisors is an integer number (312266475).

Almost surely, 2^624532949 is an apocalyptic number.

It is an amenable number.

624532949 is a deficient number, since it is larger than the sum of its proper divisors (1).

624532949 is an equidigital number, since it uses as much as digits as its factorization.

624532949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 44.

The square root of 624532949 is about 24990.6572342546. The cubic root of 624532949 is about 854.7749480060.

The spelling of 624532949 in words is "six hundred twenty-four million, five hundred thirty-two thousand, nine hundred forty-nine".