1061138413 has 2 divisors, whose sum is σ = 1061138414. Its totient is φ = 1061138412.

The previous prime is 1061138363. The next prime is 1061138431. The reversal of 1061138413 is 3148311601.

Together with next prime (1061138431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1023168169 + 37970244 = 31987^2 + 6162^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061138413 - 2⁹ = 1061137901 is a prime.

It is a super-2 number, since 2×1061138413² = 2252029463088317138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061138473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530569206 + 530569207.

It is an arithmetic number, because the mean of its divisors is an integer number (530569207).

Almost surely, 2^1061138413 is an apocalyptic number.

It is an amenable number.

1061138413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061138413 is an equidigital number, since it uses as much as digits as its factorization.

1061138413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1061138413 is about 32575.1195393048. The cubic root of 1061138413 is about 1019.9777045620.

The spelling of 1061138413 in words is "one billion, sixty-one million, one hundred thirty-eight thousand, four hundred thirteen".