983265511 has 2 divisors, whose sum is σ = 983265512. Its totient is φ = 983265510.

The previous prime is 983265509. The next prime is 983265541. The reversal of 983265511 is 115562389.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 983265511 - 2¹ = 983265509 is a prime.

It is a super-2 number, since 2×983265511² = 1933622130244182242, which contains 22 as substring.

Together with 983265509, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983265541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491632755 + 491632756.

It is an arithmetic number, because the mean of its divisors is an integer number (491632756).

Almost surely, 2^983265511 is an apocalyptic number.

983265511 is a deficient number, since it is larger than the sum of its proper divisors (1).

983265511 is an equidigital number, since it uses as much as digits as its factorization.

983265511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 40.

The square root of 983265511 is about 31357.0647701598. The cubic root of 983265511 is about 994.3904285475.

The spelling of 983265511 in words is "nine hundred eighty-three million, two hundred sixty-five thousand, five hundred eleven".