624909041 has 2 divisors, whose sum is σ = 624909042. Its totient is φ = 624909040.

The previous prime is 624909007. The next prime is 624909073. The reversal of 624909041 is 140909426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458602225 + 166306816 = 21415^2 + 12896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-624909041 is a prime.

It is a super-2 number, since 2×624909041² = 781022619047079362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 624908992 and 624909010.

It is not a weakly prime, because it can be changed into another prime (624909091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312454520 + 312454521.

It is an arithmetic number, because the mean of its divisors is an integer number (312454521).

Almost surely, 2^624909041 is an apocalyptic number.

It is an amenable number.

624909041 is a deficient number, since it is larger than the sum of its proper divisors (1).

624909041 is an equidigital number, since it uses as much as digits as its factorization.

624909041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 624909041 is about 24998.1807538069. The cubic root of 624909041 is about 854.9464946055.

The spelling of 624909041 in words is "six hundred twenty-four million, nine hundred nine thousand, forty-one".