615225440267 has 2 divisors, whose sum is σ = 615225440268. Its totient is φ = 615225440266.

The previous prime is 615225440257. The next prime is 615225440287. The reversal of 615225440267 is 762044522516.

615225440267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-615225440267 is a prime.

It is not a weakly prime, because it can be changed into another prime (615225440257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307612720133 + 307612720134.

It is an arithmetic number, because the mean of its divisors is an integer number (307612720134).

Almost surely, 2^615225440267 is an apocalyptic number.

615225440267 is a deficient number, since it is larger than the sum of its proper divisors (1).

615225440267 is an equidigital number, since it uses as much as digits as its factorization.

615225440267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 615225440267 in words is "six hundred fifteen billion, two hundred twenty-five million, four hundred forty thousand, two hundred sixty-seven".