1039966553 has 2 divisors, whose sum is σ = 1039966554. Its totient is φ = 1039966552.

The previous prime is 1039966531. The next prime is 1039966561. The reversal of 1039966553 is 3556699301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 676416064 + 363550489 = 26008^2 + 19067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1039966553 - 2¹⁰ = 1039965529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1039966498 and 1039966507.

It is not a weakly prime, because it can be changed into another prime (1039966523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519983276 + 519983277.

It is an arithmetic number, because the mean of its divisors is an integer number (519983277).

Almost surely, 2^1039966553 is an apocalyptic number.

It is an amenable number.

1039966553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039966553 is an equidigital number, since it uses as much as digits as its factorization.

1039966553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 656100, while the sum is 47.

The square root of 1039966553 is about 32248.5124153037. The cubic root of 1039966553 is about 1013.1485424401.

The spelling of 1039966553 in words is "one billion, thirty-nine million, nine hundred sixty-six thousand, five hundred fifty-three".