624378541 has 2 divisors, whose sum is σ = 624378542. Its totient is φ = 624378540.

The previous prime is 624378523. The next prime is 624378553. The reversal of 624378541 is 145873426.

624378541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521437225 + 102941316 = 22835^2 + 10146^2 .

It is a cyclic number.

It is not a de Polignac number, because 624378541 - 2⁷ = 624378413 is a prime.

It is a super-2 number, since 2×624378541² = 779697124922577362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 624378494 and 624378503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624378571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312189270 + 312189271.

It is an arithmetic number, because the mean of its divisors is an integer number (312189271).

Almost surely, 2^624378541 is an apocalyptic number.

It is an amenable number.

624378541 is a deficient number, since it is larger than the sum of its proper divisors (1).

624378541 is an equidigital number, since it uses as much as digits as its factorization.

624378541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The square root of 624378541 is about 24987.5677287726. The cubic root of 624378541 is about 854.7044980433.

The spelling of 624378541 in words is "six hundred twenty-four million, three hundred seventy-eight thousand, five hundred forty-one".