653211763 has 2 divisors, whose sum is σ = 653211764. Its totient is φ = 653211762.

The previous prime is 653211761. The next prime is 653211809. The reversal of 653211763 is 367112356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653211763 - 2¹ = 653211761 is a prime.

Together with 653211761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (653211761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326605881 + 326605882.

It is an arithmetic number, because the mean of its divisors is an integer number (326605882).

Almost surely, 2^653211763 is an apocalyptic number.

653211763 is a deficient number, since it is larger than the sum of its proper divisors (1).

653211763 is an equidigital number, since it uses as much as digits as its factorization.

653211763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 653211763 is about 25558.0078057739. The cubic root of 653211763 is about 867.6635078411.

The spelling of 653211763 in words is "six hundred fifty-three million, two hundred eleven thousand, seven hundred sixty-three".