1297534411 has 2 divisors, whose sum is σ = 1297534412. Its totient is φ = 1297534410.

The previous prime is 1297534409. The next prime is 1297534429. The reversal of 1297534411 is 1144357921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1297534411 - 2¹ = 1297534409 is a prime.

Together with 1297534409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1297534451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648767205 + 648767206.

It is an arithmetic number, because the mean of its divisors is an integer number (648767206).

Almost surely, 2^1297534411 is an apocalyptic number.

1297534411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1297534411 is an equidigital number, since it uses as much as digits as its factorization.

1297534411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 1297534411 is about 36021.3049597041. The cubic root of 1297534411 is about 1090.7024652940.

The spelling of 1297534411 in words is "one billion, two hundred ninety-seven million, five hundred thirty-four thousand, four hundred eleven".