624040793 has 2 divisors, whose sum is σ = 624040794. Its totient is φ = 624040792.

The previous prime is 624040771. The next prime is 624040831. The reversal of 624040793 is 397040426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399880009 + 224160784 = 19997^2 + 14972^2 .

It is a cyclic number.

It is not a de Polignac number, because 624040793 - 2¹⁴ = 624024409 is a prime.

It is a super-2 number, since 2×624040793² = 778853822656137698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (624040733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312020396 + 312020397.

It is an arithmetic number, because the mean of its divisors is an integer number (312020397).

Almost surely, 2^624040793 is an apocalyptic number.

It is an amenable number.

624040793 is a deficient number, since it is larger than the sum of its proper divisors (1).

624040793 is an equidigital number, since it uses as much as digits as its factorization.

624040793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 624040793 is about 24980.8084937217. The cubic root of 624040793 is about 854.5503571481.

The spelling of 624040793 in words is "six hundred twenty-four million, forty thousand, seven hundred ninety-three".