615259 has 2 divisors, whose sum is σ = 615260. Its totient is φ = 615258.

The previous prime is 615253. The next prime is 615269. The reversal of 615259 is 952516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 615259 - 2¹³ = 607067 is a prime.

It is not a weakly prime, because it can be changed into another prime (615253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307629 + 307630.

It is an arithmetic number, because the mean of its divisors is an integer number (307630).

2⁶¹⁵²⁵⁹ is an apocalyptic number.

615259 is a deficient number, since it is larger than the sum of its proper divisors (1).

615259 is an equidigital number, since it uses as much as digits as its factorization.

615259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 28.

The square root of 615259 is about 784.3844720544. The cubic root of 615259 is about 85.0522861696.

The spelling of 615259 in words is "six hundred fifteen thousand, two hundred fifty-nine".