1295258267 has 2 divisors, whose sum is σ = 1295258268. Its totient is φ = 1295258266.

The previous prime is 1295258249. The next prime is 1295258299. The reversal of 1295258267 is 7628525921.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7628525921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1295258267 - 2⁸ = 1295258011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1295255267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647629133 + 647629134.

It is an arithmetic number, because the mean of its divisors is an integer number (647629134).

Almost surely, 2^1295258267 is an apocalyptic number.

1295258267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295258267 is an equidigital number, since it uses as much as digits as its factorization.

1295258267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 47.

The square root of 1295258267 is about 35989.6966783550. The cubic root of 1295258267 is about 1090.0643193535.

The spelling of 1295258267 in words is "one billion, two hundred ninety-five million, two hundred fifty-eight thousand, two hundred sixty-seven".