653984411 has 2 divisors, whose sum is σ = 653984412. Its totient is φ = 653984410.

The previous prime is 653984363. The next prime is 653984447. The reversal of 653984411 is 114489356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 653984411 - 2²² = 649790107 is a prime.

It is not a weakly prime, because it can be changed into another prime (653984911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326992205 + 326992206.

It is an arithmetic number, because the mean of its divisors is an integer number (326992206).

Almost surely, 2^653984411 is an apocalyptic number.

653984411 is a deficient number, since it is larger than the sum of its proper divisors (1).

653984411 is an equidigital number, since it uses as much as digits as its factorization.

653984411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 653984411 is about 25573.1189142036. The cubic root of 653984411 is about 868.0054767399.

The spelling of 653984411 in words is "six hundred fifty-three million, nine hundred eighty-four thousand, four hundred eleven".