1013011897 has 2 divisors, whose sum is σ = 1013011898. Its totient is φ = 1013011896.

The previous prime is 1013011889. The next prime is 1013012027. The reversal of 1013011897 is 7981103101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 668946496 + 344065401 = 25864^2 + 18549^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013011897 - 2³ = 1013011889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013017897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506505948 + 506505949.

It is an arithmetic number, because the mean of its divisors is an integer number (506505949).

Almost surely, 2^1013011897 is an apocalyptic number.

It is an amenable number.

1013011897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013011897 is an equidigital number, since it uses as much as digits as its factorization.

1013011897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 31.

The square root of 1013011897 is about 31827.8478223081. The cubic root of 1013011897 is about 1004.3186216588.

Adding to 1013011897 its reverse (7981103101), we get a palindrome (8994114998).

The spelling of 1013011897 in words is "one billion, thirteen million, eleven thousand, eight hundred ninety-seven".