615799 has 2 divisors, whose sum is σ = 615800. Its totient is φ = 615798.

The previous prime is 615793. The next prime is 615821. The reversal of 615799 is 997516.

615799 is nontrivially palindromic in base 3.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 615799 - 2⁵ = 615767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (615793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307899 + 307900.

It is an arithmetic number, because the mean of its divisors is an integer number (307900).

2⁶¹⁵⁷⁹⁹ is an apocalyptic number.

615799 is a deficient number, since it is larger than the sum of its proper divisors (1).

615799 is an equidigital number, since it uses as much as digits as its factorization.

615799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 615799 is about 784.7286155098. The cubic root of 615799 is about 85.0771617664.

The spelling of 615799 in words is "six hundred fifteen thousand, seven hundred ninety-nine".