1297547467 has 2 divisors, whose sum is σ = 1297547468. Its totient is φ = 1297547466.

The previous prime is 1297547437. The next prime is 1297547477. The reversal of 1297547467 is 7647457921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1297547467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1297547437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648773733 + 648773734.

It is an arithmetic number, because the mean of its divisors is an integer number (648773734).

Almost surely, 2^1297547467 is an apocalyptic number.

1297547467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1297547467 is an equidigital number, since it uses as much as digits as its factorization.

1297547467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 52.

The square root of 1297547467 is about 36021.4861853311. The cubic root of 1297547467 is about 1090.7061235563.

The spelling of 1297547467 in words is "one billion, two hundred ninety-seven million, five hundred forty-seven thousand, four hundred sixty-seven".