1013201491 has 2 divisors, whose sum is σ = 1013201492. Its totient is φ = 1013201490.

The previous prime is 1013201443. The next prime is 1013201503. The reversal of 1013201491 is 1941023101.

1013201491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013201491 - 2⁷ = 1013201363 is a prime.

It is a super-2 number, since 2×1013201491² = 2053154522729246162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1013207491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506600745 + 506600746.

It is an arithmetic number, because the mean of its divisors is an integer number (506600746).

Almost surely, 2^1013201491 is an apocalyptic number.

1013201491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013201491 is an equidigital number, since it uses as much as digits as its factorization.

1013201491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1013201491 is about 31830.8261124338. The cubic root of 1013201491 is about 1004.3812734096.

Adding to 1013201491 its reverse (1941023101), we get a palindrome (2954224592).

The spelling of 1013201491 in words is "one billion, thirteen million, two hundred one thousand, four hundred ninety-one".