1061318477 has 2 divisors, whose sum is σ = 1061318478. Its totient is φ = 1061318476.

The previous prime is 1061318441. The next prime is 1061318501. The reversal of 1061318477 is 7748131601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 916212361 + 145106116 = 30269^2 + 12046^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061318477 - 2¹² = 1061314381 is a prime.

It is a super-2 number, since 2×1061318477² = 2252793819243199058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061318477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061398477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530659238 + 530659239.

It is an arithmetic number, because the mean of its divisors is an integer number (530659239).

Almost surely, 2^1061318477 is an apocalyptic number.

It is an amenable number.

1061318477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061318477 is an equidigital number, since it uses as much as digits as its factorization.

1061318477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 1061318477 is about 32577.8832492229. The cubic root of 1061318477 is about 1020.0353944529.

The spelling of 1061318477 in words is "one billion, sixty-one million, three hundred eighteen thousand, four hundred seventy-seven".