1061065553 has 2 divisors, whose sum is σ = 1061065554. Its totient is φ = 1061065552.

The previous prime is 1061065529. The next prime is 1061065559. The reversal of 1061065553 is 3555601601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1046716609 + 14348944 = 32353^2 + 3788^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061065553 - 2¹² = 1061061457 is a prime.

It is a super-2 number, since 2×1061065553² = 2251720215526391618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061065559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530532776 + 530532777.

It is an arithmetic number, because the mean of its divisors is an integer number (530532777).

Almost surely, 2^1061065553 is an apocalyptic number.

It is an amenable number.

1061065553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061065553 is an equidigital number, since it uses as much as digits as its factorization.

1061065553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 1061065553 is about 32574.0011819242. The cubic root of 1061065553 is about 1019.9543594214.

The spelling of 1061065553 in words is "one billion, sixty-one million, sixty-five thousand, five hundred fifty-three".