2591253667 has 2 divisors, whose sum is σ = 2591253668. Its totient is φ = 2591253666.

The previous prime is 2591253661. The next prime is 2591253673. The reversal of 2591253667 is 7663521952.

2591253667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2591253661) and next prime (2591253673).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2591253667 is a prime.

It is not a weakly prime, because it can be changed into another prime (2591253661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295626833 + 1295626834.

It is an arithmetic number, because the mean of its divisors is an integer number (1295626834).

Almost surely, 2^2591253667 is an apocalyptic number.

2591253667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591253667 is an equidigital number, since it uses as much as digits as its factorization.

2591253667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The square root of 2591253667 is about 50904.3580354374. The cubic root of 2591253667 is about 1373.5252361216.

The spelling of 2591253667 in words is "two billion, five hundred ninety-one million, two hundred fifty-three thousand, six hundred sixty-seven".