338964553 has 2 divisors, whose sum is σ = 338964554. Its totient is φ = 338964552.

The previous prime is 338964497. The next prime is 338964559. The reversal of 338964553 is 355469833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262699264 + 76265289 = 16208^2 + 8733^2 .

It is an emirp because it is prime and its reverse (355469833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338964553 - 2¹³ = 338956361 is a prime.

It is a super-2 number, since 2×338964553² = 229793936380979618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338964559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169482276 + 169482277.

It is an arithmetic number, because the mean of its divisors is an integer number (169482277).

Almost surely, 2^338964553 is an apocalyptic number.

It is an amenable number.

338964553 is a deficient number, since it is larger than the sum of its proper divisors (1).

338964553 is an equidigital number, since it uses as much as digits as its factorization.

338964553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 46.

The square root of 338964553 is about 18410.9900059720. The cubic root of 338964553 is about 697.2439611283.

The spelling of 338964553 in words is "three hundred thirty-eight million, nine hundred sixty-four thousand, five hundred fifty-three".