653832973 has 2 divisors, whose sum is σ = 653832974. Its totient is φ = 653832972.

The previous prime is 653832961. The next prime is 653833057. The reversal of 653832973 is 379238356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651934089 + 1898884 = 25533^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 653832973 - 2⁵ = 653832941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653932973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326916486 + 326916487.

It is an arithmetic number, because the mean of its divisors is an integer number (326916487).

Almost surely, 2^653832973 is an apocalyptic number.

It is an amenable number.

653832973 is a deficient number, since it is larger than the sum of its proper divisors (1).

653832973 is an equidigital number, since it uses as much as digits as its factorization.

653832973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 46.

The square root of 653832973 is about 25570.1578602871. The cubic root of 653832973 is about 867.9384725124.

The spelling of 653832973 in words is "six hundred fifty-three million, eight hundred thirty-two thousand, nine hundred seventy-three".