653313389 has 2 divisors, whose sum is σ = 653313390. Its totient is φ = 653313388.

The previous prime is 653313379. The next prime is 653313439. The reversal of 653313389 is 983313356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 641355625 + 11957764 = 25325^2 + 3458^2 .

It is a cyclic number.

It is not a de Polignac number, because 653313389 - 2⁴ = 653313373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653313379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326656694 + 326656695.

It is an arithmetic number, because the mean of its divisors is an integer number (326656695).

Almost surely, 2^653313389 is an apocalyptic number.

It is an amenable number.

653313389 is a deficient number, since it is larger than the sum of its proper divisors (1).

653313389 is an equidigital number, since it uses as much as digits as its factorization.

653313389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 41.

The square root of 653313389 is about 25559.9958724566. The cubic root of 653313389 is about 867.7085022335.

The spelling of 653313389 in words is "six hundred fifty-three million, three hundred thirteen thousand, three hundred eighty-nine".